Journal ArticleHead Neck · August 2024
BACKGROUND: This study examined the trajectory of health-related quality of life (HRQoL) for patients with clinical stage N0 HNSCC enrolled in ACRIN 6685 who underwent elective neck dissection(s). METHODS: HRQoL of 230 patients in the ACRIN 6685 trial was ...
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Journal ArticleLancet Oncol · July 2024
Extranodal extension of tumour on histopathology is known to be a negative prognostic factor in head and neck cancer. Compelling evidence suggests that extranodal extension detected on radiological imaging is also a negative prognostic factor. Furthermore, ...
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Journal ArticleAm J Clin Oncol · April 1, 2024
OBJECTIVES: This practice parameter was revised collaboratively by the American College of Radiology (ACR), the American College of Nuclear Medicine, the American Radium Society, the American Society for Radiation Oncology, and the Society of Nuclear Medic ...
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Journal ArticlePET Clin · April 2024
[18F] Fluorodeoxyglucose (18F-FDG) PET/CT can improve the staging accuracy and clinical management of patients with hepatobiliary and pancreatic cancers, by detection of unsuspected metastases. 18F-FDG PET/CT metabolic parameters are valuable in predicting ...
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Journal ArticlePET Clin · April 2024
Significant improvement in molecular imaging and theranostics in the management of neuroendocrine tumors (NETs) has been made in the last few decades. Somatostatin receptor-targeted PET imaging outperforms conventional, planar, and single-photon emission c ...
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Journal ArticlePET Clin · April 2024
This article focuses on the role of PET/computed tomography in evaluating and managing gastric cancer and colorectal cancer. The authors start with describing the common aspects of imaging with 2-deoxy-2-18F-d-glucose, followed by tumor-specific discussion ...
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Journal ArticlePET Clin · April 2024
During the last 2 decades, f-18 fluorodeoxyglucose positron emission tomography/computed tomography (18F FDG PET/CT) has transformed the clinical head and neck cancer imaging for patient management and predicting survival outcomes. It is now widely used fo ...
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Journal ArticlePET Clin · April 2024
The clinical landscape of lymphomas has changed dramatically over the last 2 decades, including significant progress made in the understanding and utilization of imaging modalities and the available treatment options for both indolent and aggressive lympho ...
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Chapter · 2024
Prostate cancer is the second most prevalent cancer in men globally. De novo neuroendocrine prostate cancer (NEPC) is uncommon at initial diagnosis, however, (treatment-induced) t-NEPC emerges in up to 25% of prostate adenocarcinoma (PRAD) cases treated wi ...
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Journal ArticleJ Am Coll Radiol · November 2023
Imaging of head and neck cancer at initial staging and as part of post-treatment surveillance is a key component of patient care as it guides treatment strategy and aids determination of prognosis. Head and neck cancer includes a heterogenous group of mali ...
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Journal ArticleJ Nucl Med · August 2023
Fibroblast-activation protein is a promising target for oncologic molecular imaging. Studies show that fibroblast activation protein inhibitor (FAPI) radiotracers are accurate diagnostics with favorable tumor-to-background ratios across various cancers. Th ...
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Journal ArticleLancet Digit Health · June 2023
BACKGROUND: Pretreatment identification of pathological extranodal extension (ENE) would guide therapy de-escalation strategies for in human papillomavirus (HPV)-associated oropharyngeal carcinoma but is diagnostically challenging. ECOG-ACRIN Cancer Resear ...
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Journal ArticleNucl Med Commun · May 1, 2023
OBJECTIVE: Intratumor heterogeneity has prognostic value in cervical cancer, which can be depicted on 18 F-fluorodeoxyglucose ( 18 F-FDG) PET/computed tomography (PET/CT) and then quantitatively characterized by texture features. This study aimed to evalua ...
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Journal ArticleAcad Radiol · April 2023
INTRODUCTION: Medical imaging is integrated across all years in the medical programs at the Medical School, in our country. Little is known about this pedagogical approach from the perspective of those who participate in it. This study investigated how stu ...
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Journal ArticlePET Clin · April 2023
Recently, advancement of somatostatin receptor (SSTR) imaging and theragnostic approach using peptide receptor radionuclide therapy (PRRT) have changed the paradigm of diagnosis and management of neuroendocrine tumor. 68Ga-DOTATATE PET/CT can diagnose the ...
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Journal ArticlePET Clin · April 2023
Gastroenteropancreatic neuroendocrine tumors(NETs), which arise from the small intestine, rectum, colon, appendix, or pancreas, have variable malignant potential with clinical behavior determined by proliferative activity according to the Ki-67 index and t ...
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Journal ArticlePET Clin · April 2023
Molecular imaging evaluation of pheochromocytomas and paragangliomas depends on multiple factors, such as localized versus metastatic disease, the genetic, and biochemical profile of tumors. Positron emission tomography/computed tomography (PET/CT) imaging ...
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Journal ArticlePET Clin · April 2023
Neuroendocrine tumors have variety of biological and clinical characteristics. The classification of neuroendocrine neoplasm has evolved, and the newest 2019 World Health Organization classification outlines a well-differentiated high-grade G3 subtype, rec ...
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Journal ArticlePET Clin · April 2023
Neuroendocrine neoplasms (NENs) are a group of rare, heterogeneous tumors of neuroendocrine cell origin, affecting a range of different organs. The clinical management of NENs poses significant challenges, as tumors are often diagnosed at an advanced stage ...
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Journal ArticleHead Neck · August 2024
BACKGROUND: This study examined the trajectory of health-related quality of life (HRQoL) for patients with clinical stage N0 HNSCC enrolled in ACRIN 6685 who underwent elective neck dissection(s). METHODS: HRQoL of 230 patients in the ACRIN 6685 trial was ...
Full textLink to itemCite
Journal ArticleLancet Oncol · July 2024
Extranodal extension of tumour on histopathology is known to be a negative prognostic factor in head and neck cancer. Compelling evidence suggests that extranodal extension detected on radiological imaging is also a negative prognostic factor. Furthermore, ...
Full textLink to itemCite
Journal ArticleAm J Clin Oncol · April 1, 2024
OBJECTIVES: This practice parameter was revised collaboratively by the American College of Radiology (ACR), the American College of Nuclear Medicine, the American Radium Society, the American Society for Radiation Oncology, and the Society of Nuclear Medic ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2024
[18F] Fluorodeoxyglucose (18F-FDG) PET/CT can improve the staging accuracy and clinical management of patients with hepatobiliary and pancreatic cancers, by detection of unsuspected metastases. 18F-FDG PET/CT metabolic parameters are valuable in predicting ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2024
Significant improvement in molecular imaging and theranostics in the management of neuroendocrine tumors (NETs) has been made in the last few decades. Somatostatin receptor-targeted PET imaging outperforms conventional, planar, and single-photon emission c ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2024
This article focuses on the role of PET/computed tomography in evaluating and managing gastric cancer and colorectal cancer. The authors start with describing the common aspects of imaging with 2-deoxy-2-18F-d-glucose, followed by tumor-specific discussion ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2024
During the last 2 decades, f-18 fluorodeoxyglucose positron emission tomography/computed tomography (18F FDG PET/CT) has transformed the clinical head and neck cancer imaging for patient management and predicting survival outcomes. It is now widely used fo ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2024
The clinical landscape of lymphomas has changed dramatically over the last 2 decades, including significant progress made in the understanding and utilization of imaging modalities and the available treatment options for both indolent and aggressive lympho ...
Full textLink to itemCite
Chapter · 2024
Prostate cancer is the second most prevalent cancer in men globally. De novo neuroendocrine prostate cancer (NEPC) is uncommon at initial diagnosis, however, (treatment-induced) t-NEPC emerges in up to 25% of prostate adenocarcinoma (PRAD) cases treated wi ...
Full textLink to itemCite
Journal ArticleJ Am Coll Radiol · November 2023
Imaging of head and neck cancer at initial staging and as part of post-treatment surveillance is a key component of patient care as it guides treatment strategy and aids determination of prognosis. Head and neck cancer includes a heterogenous group of mali ...
Full textLink to itemCite
Journal ArticleJ Nucl Med · August 2023
Fibroblast-activation protein is a promising target for oncologic molecular imaging. Studies show that fibroblast activation protein inhibitor (FAPI) radiotracers are accurate diagnostics with favorable tumor-to-background ratios across various cancers. Th ...
Full textLink to itemCite
Journal ArticleLancet Digit Health · June 2023
BACKGROUND: Pretreatment identification of pathological extranodal extension (ENE) would guide therapy de-escalation strategies for in human papillomavirus (HPV)-associated oropharyngeal carcinoma but is diagnostically challenging. ECOG-ACRIN Cancer Resear ...
Full textLink to itemCite
Journal ArticleNucl Med Commun · May 1, 2023
OBJECTIVE: Intratumor heterogeneity has prognostic value in cervical cancer, which can be depicted on 18 F-fluorodeoxyglucose ( 18 F-FDG) PET/computed tomography (PET/CT) and then quantitatively characterized by texture features. This study aimed to evalua ...
Full textLink to itemCite
Journal ArticleAcad Radiol · April 2023
INTRODUCTION: Medical imaging is integrated across all years in the medical programs at the Medical School, in our country. Little is known about this pedagogical approach from the perspective of those who participate in it. This study investigated how stu ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2023
Recently, advancement of somatostatin receptor (SSTR) imaging and theragnostic approach using peptide receptor radionuclide therapy (PRRT) have changed the paradigm of diagnosis and management of neuroendocrine tumor. 68Ga-DOTATATE PET/CT can diagnose the ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2023
Gastroenteropancreatic neuroendocrine tumors(NETs), which arise from the small intestine, rectum, colon, appendix, or pancreas, have variable malignant potential with clinical behavior determined by proliferative activity according to the Ki-67 index and t ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2023
Molecular imaging evaluation of pheochromocytomas and paragangliomas depends on multiple factors, such as localized versus metastatic disease, the genetic, and biochemical profile of tumors. Positron emission tomography/computed tomography (PET/CT) imaging ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2023
Neuroendocrine tumors have variety of biological and clinical characteristics. The classification of neuroendocrine neoplasm has evolved, and the newest 2019 World Health Organization classification outlines a well-differentiated high-grade G3 subtype, rec ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2023
Neuroendocrine neoplasms (NENs) are a group of rare, heterogeneous tumors of neuroendocrine cell origin, affecting a range of different organs. The clinical management of NENs poses significant challenges, as tumors are often diagnosed at an advanced stage ...
Full textLink to itemCite
Journal ArticlePET Clin · April 2023
177Lu-DOTA-TATE therapy is a highly effective therapy in metastatic, well-differentiated, somatostatin receptor-positive GEP-neuroendocrine tumors (NETs) with mostly tolerable adverse effects. Guidelines generally refer to peptide receptor radionuclide the ...
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Journal ArticleJ Nucl Med · March 2023
The purpose of this study was to determine the negative predictive value (NPV) of a 12- to 14-wk posttreatment PET/CT for 2-y progression-free survival (PFS) and locoregional control (LRC) in patients with p16-positive locoregionally advanced oropharyngeal ...
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Journal ArticleJ Prim Health Care · March 2023
Introduction Information on the responsiveness of the New Zealand (NZ) health system to Asians to enable navigation of healthcare services is currently lacking. Barriers experienced by Asian patients to enable optimal navigation of, and engagement with, he ...
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Journal ArticleJ Clin Oncol · February 10, 2023
PURPOSE: To provide evidence-based recommendations for practicing physicians and other health care providers on immunotherapy and biomarker testing for head and neck cancers. METHODS: ASCO convened an Expert Panel of medical oncology, surgical oncology, ra ...
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Journal ArticleClin Nucl Med · February 1, 2023
INTRODUCTION: FDG PET/CT was prospectively studied in 287 cN0 head and neck cancer patients in ACRIN 6685, and additional analysis of neck FDG uptake upon recurrence-free survival (RFS) and overall survival (OS) was performed. PATIENTS AND METHODS: Two hun ...
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Journal ArticleTher Adv Med Oncol · 2023
Positron emission tomography (PET) imaging in prostate cancer has advanced significantly in the past decade with prostate cancer targeted radiopharmaceuticals now playing a growing role in diagnosis, staging, and treatment. This narrative review focuses on ...
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Journal ArticleJ Nucl Med · December 2022
To our knowledge, no prior multicenter clinical trial has reported interobserver agreement of 18F-FDG PET/CT scans for staging of clinical N0 neck in head and neck cancer. Methods: A total of 287 participants were recruited. For visual analysis, positive n ...
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Journal ArticleSemin Nucl Med · November 2022
Lung cancer is the leading cause of cancer-related mortality in the United States. Accurate staging at initial diagnosis determines appropriate treatment and is the most important predictor of survival. Since 2018, the 8th edition of the TNM staging system ...
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Journal ArticleClin Nucl Med · September 1, 2022
PET imaging plays an essential role in achieving earlier and more specific diagnoses of dementia syndromes, important for clinical prognostication and optimal medical management. This has become especially vital with the recent development of pathology-spe ...
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Journal ArticleClin Nucl Med · June 1, 2022
OBJECTIVES: This practice parameter (PP) for Lutetium-177 (Lu-177) DOTATATE peptide receptor radionuclide therapy (PRRT) aims to guide authorized users in selection of appropriate adult candidates with gastroeneropancreatic neuroendocrine tumors (GEP-NETs) ...
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Journal ArticleAm J Clin Oncol · June 1, 2022
OBJECTIVES: This practice parameter (PP) for Lutetium-177 (Lu-177) DOTATATE peptide receptor radionuclide therapy (PRRT) aims to guide authorized users in selection of appropriate adult candidates with gastroeneropancreatic neuroendocrine tumors (GEP-NETs) ...
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Journal ArticleJ Am Coll Radiol · May 2022
This article presents guidelines for initial imaging utilization in patients presenting with sinonasal disease, including acute rhinosinusitis without and with suspected orbital and intracranial complications, chronic rhinosinusitis, suspected invasive fun ...
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Journal ArticlePET Clin · April 2022
PET/computed tomography (CT) is a valuable tool in post-therapy follow-up of head and neck cancers. PET/CT is sensitive and specific, can detect recurrences that otherwise may be missed on routine clinical examination or conventional imaging, and also can ...
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Journal ArticlePET Clin · April 2022
18F-FDG-PET/CT (2-deoxy-2-[18F] fluoro-d-glucose PET/computed tomography) is a reliable modality for accurate assessment of treatment response, early detection of recurrence, or second primary tumors in head and neck squamous cell carcinoma (HNSCC), if per ...
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Journal ArticlePET Clin · April 2022
Treatment of laryngeal and hypopharyngeal tumors with surgery, radiation therapy, and chemotherapy is aimed at improving survival and preserving function. PET with fluorodeoxyglucose F 18 (18F FDG-PET)/computed tomography is the standard of care and an int ...
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Journal ArticlePET Clin · April 2022
Fluorine-18 fluorodeoxyglucose PET/computed tomography (18F-FDG PET/CT) plays an important role in the staging, treatment planning, treatment response assessment, detecting recurrent disease, and predicting prognosis in patients with oral cavity and oropha ...
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Journal ArticleN Z Med J · April 1, 2022
The COVID-19 global pandemic has highlighted the potential roles and responsibilities of medical students in healthcare systems. Senior clinical students may be able to contribute practically, but all medical students, regardless of their level of training ...
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Journal ArticleN Z Med J · November 26, 2021
People of Asian ethnicity in Aotearoa New Zealand currently constitute 15% of the population. The majority are migrants. The current sources of data to monitor Asian health in New Zealand are routine population surveys and administrative data. This article ...
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Journal ArticleJ Am Coll Radiol · November 2021
Hyperparathyroidism is defined as excessive parathyroid hormone production. The diagnosis is made through biochemical testing, in which imaging has no role. However, imaging is appropriate for preoperative parathyroid gland localization with the intent of ...
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Journal ArticleRadiol Clin North Am · September 2021
Head and neck cancers are commonly encountered cancers in clinical practice in the United States. Fluorine-18-fluorodeoxyglucose (18F-FDG) PET/CT has been clinically applied in staging, occult primary tumor detection, treatment planning, response assessmen ...
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Journal ArticleClin Nucl Med · August 1, 2021
Culture of inclusion is of utmost need in today's practice of radiology and nuclear medicine. This article briefly describes the importance of establishing and enriching the culture of embracing different talents, perspectives, and expertise with considera ...
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Journal ArticleNucl Med Commun · August 1, 2021
OBJECTIVE: To establish the detection rate of prostate cancer recurrence following definitive therapy by 18F-fluciclovine PET/computed tomography (CT) in patients with biochemical recurrence (BCR) and prostate-specific antigen (PSA) levels less than 2.00 n ...
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Journal ArticleOtolaryngol Head Neck Surg · June 2021
OBJECTIVE: FDG-PET/CT (fluorodeoxyglucose-positron emission tomography/computed tomography) is effective to assess for occult neck nodal disease. We report risks and patterns of nodal disease based on primary site and nodal level from data on the dissected ...
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Journal ArticleBiomedicines · April 15, 2021
The aim of this narrative review is to evaluate the current status of 177Lu-PSMA (prostate specific membrane antigen) therapy for metastatic castration-resistant prostate cancer (mCRPC) in the light of the current literature. We also addressed patient prep ...
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Journal ArticleAJR Am J Roentgenol · April 2021
Twenty-five years ago, oligometastatic disease was proposed as an intermediary clinical state of cancer with unique implications for therapies that may impact cancer evolution and patient outcome. Identification of limited metastases that are potentially a ...
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Journal ArticleParkinsonism Relat Disord · April 2021
INTRODUCTION: Predictive biomarkers of Parkinson's Disease progression are needed to expedite neuroprotective treatment development and facilitate prognoses for patients. This work uses measures derived from resting-state functional magnetic resonance imag ...
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Journal ArticleJ Clin Oncol · March 20, 2021
PURPOSE: Reducing radiation treatment dose could improve the quality of life (QOL) of patients with good-risk human papillomavirus-associated oropharyngeal squamous cell carcinoma (OPSCC). Whether reduced-dose radiation produces disease control and QOL equ ...
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ConferenceInt J Radiat Oncol Biol Phys · March 15, 2021
PURPOSE: The required elective nodal dose and volumes for head and neck intensity modulated radiation therapy have largely been extrapolated from conventional radiation therapy fields. In this prospective, dual-center, phase 2 study, we investigated the ef ...
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Journal ArticleSemin Nucl Med · January 2021
Head and neck cancers are commonly encountered malignancies in the United States, of which the majority are attributed to squamous cell carcinoma. 18F-FDG-PET/CT has been well established in the evaluation, treatment planning, prognostic implications of th ...
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Journal ArticleFront Oncol · 2021
Fibroblast activation protein (FAP), overexpressed on cancer-associated fibroblasts (CAFs), is a novel target for molecular imaging of various tumors. Recently, the development of several small-molecule FAP inhibitors for radiolabeling with 68Ga has result ...
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Journal ArticleRadiol Imaging Cancer · January 2021
PURPOSE: To evaluate the impact of intratumoral metabolic heterogeneity (IMH) and other quantitative fluorine 18 (18F) fluorodeoxyglucose (FDG) PET/CT parameters for predicting progression-free survival (PFS) and overall survival (OS) in patients with esop ...
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Journal ArticleNucl Med Commun · October 2020
OBJECTIVE: We investigated the role of Ga-68 DOTATATE PET/CT in comparison to F-18 FDG PET/CT in patients with low and intermediate versus high-grade neuroendocrine tumors (NETs). METHODS: We identified 81 patients who underwent Ga-68 DOTATATE PET/CT at ou ...
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Journal ArticleAJR Am J Roentgenol · August 2020
OBJECTIVE. The purpose of this article is to review the utility of 18F-fluciclovine PET/CT in the evaluation of recurrent prostate cancer. CONCLUSION. Fluorine-18-labeled fluciclovine PET/CT has shown promise in the evaluation of recurrent prostate cancer. ...
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Journal ArticleAm J Clin Oncol · August 2020
AIM/OBJECTIVES/BACKGROUND: The goal of therapy with unsealed radiopharmaceutical sources is to provide either cure or significant prolongation of disease-specific survival, and effective reduction and/or prevention of adverse disease-related symptoms or un ...
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Journal ArticleJ Am Coll Radiol · May 2020
Degenerative disease of the central nervous system is a growing public health concern. The primary role of neuroimaging in the workup of patients with probable or possible Alzheimer disease has typically been to exclude other significant intracranial abnor ...
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Journal ArticleJ Am Coll Radiol · May 2020
Movement disorders and neurodegenerative diseases are a variety of conditions that involve progressive neuronal degeneration, injury, or death. Establishing the correct diagnosis of a movement disorder or neurodegenerative process can be difficult due to t ...
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Journal ArticleAJR Am J Roentgenol · April 2020
OBJECTIVE. The purpose of this study is to evaluate the prognostic value of quantitative metabolic parameters from pretreatment PET/CT scans of patients with squamous cell cervical cancer. MATERIALS AND METHODS. This retrospective study included 120 patien ...
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Journal ArticleRadiology · March 2020
The Quantitative Imaging Biomarkers Alliance (QIBA) Profile for fluorodeoxyglucose (FDG) PET/CT imaging was created by QIBA to both characterize and reduce the variability of standardized uptake values (SUVs). The Profile provides two complementary claims ...
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Journal ArticleJ Nucl Med Technol · March 2020
The number of cases of dementia has dramatically increased over the last decade. Imaging of the brain with PET has been used for many years, but in the past decade the radiopharmaceuticals and technology available for imaging dementia have vastly improved. ...
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Chapter · January 1, 2020
Molecular and functional imaging aims to assess oncologic therapy response by integrating molecular and functional tumor biology in order to assess therapeutic efficacy and improve patient outcome. Most oncologic processes reflect heterogeneous disease bot ...
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Journal ArticleJ Am Coll Radiol · November 2019
Headache is one of the most common human afflictions. In most cases, headaches are benign and idiopathic, and resolve spontaneously or with minor therapeutic measures. Imaging is not required for many types of headaches. However, patients presenting with h ...
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Journal ArticleAJR Am J Roentgenol · November 2019
OBJECTIVE: The purpose of this article is to summarize the clinical utility of 18F-FDG PET/CT in the evaluation of lung cancer recurrence with an emphasis on typical anatomic and metabolic patterns of recurrence, expected posttherapeutic changes, and commo ...
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ConferenceAJR Am J Roentgenol · September 2019
OBJECTIVE. The objective of our study was to investigate the impact of point-spread function (PSF) reconstruction and lesion size on 68Ga-tetraazacyclododecanetetraacetic acid-DPhe1-Tyr3-octreotate (DOTATATE) PET/CT quantitative parameters. MATERIALS AND M ...
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Journal ArticleAJR Am J Roentgenol · August 2019
OBJECTIVE. The purpose of this article is to enhance knowledge of the clinical implementation of peptide receptor radionuclide therapy (PRRT) and its impact on care of patients with neuroendocrine tumors. CONCLUSION. Most well differentiated and some moder ...
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Journal ArticleJ Clin Oncol · July 10, 2019
PURPOSE: The objective of this study was to determine the negative predictive value (NPV) of positron emission tomography (PET)/computed tomography (CT) for the clinically N0 neck on the basis of neck dissection. METHODS: Participants with newly diagnosed, ...
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Journal ArticleAJR Am J Roentgenol · June 2019
OBJECTIVE. The purpose of this study is to evaluate the ability of quantitative 18F-FDG PET parameters to predict outcomes of patients with malignant melanoma who have been treated with immune modulation therapy. MATERIALS AND METHODS. We retrospectively i ...
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Journal ArticleJ Am Coll Radiol · May 2019
There are a wide variety of diseases that affect the thyroid gland ranging from hyperplastic to neoplastic, autoimmune, or inflammatory. They can present with functional abnormality or a palpable structural change. Imaging has a key role in diagnosing and ...
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ConferenceAJR Am J Roentgenol · May 2019
OBJECTIVE. The objective of this study was to investigate the impact of PET/CT on patient management and outcomes of oropharyngeal squamous cell carcinoma (OPSCC) after the first 6 months following treatment. MATERIALS AND METHODS. We retrospectively ident ...
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Journal ArticleJ Am Coll Radiol · May 2019
A palpable neck mass may be the result of neoplastic, congenital, or inflammatory disease. Older age suggests neoplasia, and a congenital etiology is more prevalent in the pediatric population. The imaging approach is based on the patient age, mass locatio ...
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Journal ArticleJ Am Coll Radiol · May 2019
Neuroendocrine dysfunction includes suspected hyper- and hypofunction of the pituitary gland. Causative lesions may include primary masses of the pituitary such as pituitary microadenomas and macroadenomas, as well as extrinsic masses, typically centered i ...
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Journal ArticleEur J Radiol · April 2019
OBJECTIVE: We aimed to improve prediction of outcome for patients with colorectal liver metastases, via prognostic models incorporating PET-derived measures, including radiomic features that move beyond conventional standard uptake value (SUV) measures. PA ...
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Journal ArticleSemin Nucl Med · March 2019
ACR Appropriateness Criteria (ACR AC) are evidence-based guidelines to assist referring physicians, other providers, and patients in making the most appropriate imaging or treatment decision for a specific clinical condition. The ACR AC are created by expe ...
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Journal ArticlePET Clin · January 2019
A number of PET agents are useful for evaluation of skeletal metastatic disease, and have significant advantages over 99mTc-MDP scintigraphy, including superior diagnostic accuracy, higher spatial resolution, and shorter imaging times- often with the abili ...
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Journal ArticleJ Nucl Med Technol · December 2018
Over the past 20 y, PET/CT has had many technologic and developmental advancements for patient care. PET/CT has evolved from being used as a diagnosis and staging tool to now having an impact on treating cancer through a collaboration with radiation oncolo ...
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Journal ArticleClin Nucl Med · December 2018
The American College of Radiology (ACR) and American College of Nuclear Medicine (ACNM) collaborated to develop a clinical practice document for the performance of fluciclovine positron-emission tomography (PET) / computed tomography (CT) in the evaluation ...
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Journal ArticleClin Nucl Med · December 2018
Radiopharmaceuticals targeting cell surface expression of somatostatin receptors (SSTRs) are particularly useful in the evaluation of neuroendocrine tumors. Gallium-68 DOTA-Tyr-octreotatate (Ga-DOTATATE) primarily binds to SSTR type 2 receptors. Ga DOTATAT ...
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Journal ArticleClin Nucl Med · December 2018
There are recent advances, namely, a standardized method for reporting therapy response (Hopkins criteria), a multicenter prospective cohort study with excellent negative predictive value of F-FDG PET/CT for N0 clinical neck, a phase III multicenter random ...
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Journal ArticleNucl Med Commun · October 2018
Treatment of high-risk prostate cancer (HRPCa) is challenging. Local staging and metastatic evaluation are important for the patient management. Recently, prostate-specific membrane antigen (PSMA)-based imaging modalities such as PSMA PET/CT and PET/MRI ha ...
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Journal ArticleClin Nucl Med · October 2018
OBJECTIVE: To evaluate the value of I-2β-carbomethoxy-3β-(4-iodophenyl)-N-(3-fluoropropyl) nortropane (I-FP-CIT) dopamine transporter single photon emission computed tomography (DAT-SPECT) to change management strategies of patients suspected of parkinsoni ...
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Journal ArticleAJR Am J Roentgenol · August 2018
OBJECTIVE: The purpose of this article is to provide a review of the use of 68Ga tetraazacyclododecanetetraacetic acid-DPhe1-Tyr3-octreotate (DOTATATE) PET/CT, a functional imaging modality for assessment of well-differentiated neuroendocrine tumors (NETs) ...
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Journal ArticleAJR Am J Roentgenol · August 2018
OBJECTIVE: In this article, we review the literature on PET/CT in the management of dementia, present evidence for best clinical practices, and discuss recent advances in the field. CONCLUSION: Standard-of-care imaging for dementia includes CT and MRI, pri ...
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Journal ArticleJ Nucl Med · March 2018
We have previously reported that PET with 18F-fluoride (NaF PET) for assessment of osseous metastatic disease led to changes in intended management in a substantial fraction of patients with prostate or other types of cancer participating in the National O ...
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Journal ArticleJ Nucl Med · March 2018
We have previously reported that PET using 18F-fluoride (NaF PET) for assessment of osseous metastatic disease was associated with substantial changes in intended management in Medicare beneficiaries participating in the National Oncologic PET Registry (NO ...
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Journal ArticleNucl Med Commun · February 2018
OBJECTIVE: The aim of this study was to determine whether various fluorine-18-fluorodeoxyglucose PET/CT-derived parameters used in oncology vary significantly depending on the interpretation software systems used in clinical practice for multiple human sol ...
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Journal ArticleRadiographics · 2018
Lung cancer is the leading cause of cancer-related mortality in the United States, and accurate staging plays a vital role in determining prognosis and treatment. The recently revised eighth edition of the TNM staging system for lung cancer defines new T a ...
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Journal ArticleClin Nucl Med · December 2017
This clinical practice parameter has been developed collaboratively by the American College of Radiology (ACR), the Society for Pediatric Radiology (SPR), and the Society of Thoracic Radiology (STR). This document is intended to act as a guide for physicia ...
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Journal ArticleJ Nucl Med Technol · December 2017
Patient satisfaction with health-care delivery is essential today. Using a psychometrically validated questionnaire-SERVPERF-we quantitatively measured patients' perceptions of the quality of service at the point of care in a PET/CT center, and we used thi ...
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Journal ArticleClin Nucl Med · November 2017
This American College of Radiology and American College of Nuclear Medicine joint clinical practice parameter is for performance of dopamine transporter single photon emission computed tomography (SPECT) imaging, for patients with movement disorders. Parki ...
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Journal ArticleJournal of the American College of Radiology : JACR · November 2017
Imaging of sinonasal pathology may occur for assessment of rhinosinusitis or mass lesions. Rhinosinusitis is prevalent in up to 16% of the US population with annual economic burdens estimated at 22 billion dollars. Rhinosinusitis is characterized as acute ...
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Journal ArticlePET Clin · October 2017
Esophageal cancer commonly has a poor prognosis, which requires an accurate diagnosis and early treatment to improve outcome. Other modalities for staging, such as endoscopic ultrasound imaging and computed tomography (CT) scans, have a role in diagnosis a ...
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Journal ArticlePET Clin · October 2017
Fluorine-18 fluorodeoxyglucose (18F-FDG) PET-computed tomography (CT) plays a significant role in diagnosis, staging, therapy selection, and therapy assessment of multiple pediatric malignancies and facilitating precision medicine delivery in pediatric pat ...
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Journal ArticlePET Clin · October 2017
Skeletal and soft tissue sarcomas need early and accurate diagnosis, staging, and treatment for optimal outcome. 18F-FDG PET/computed tomography (CT) is indicated in staging of patients with high-grade sarcomas and acts as a surrogate marker of histopathol ...
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Journal ArticlePET Clin · October 2017
Recent advances in genomic profiling and sequencing of melanoma have provided new insights into the development of the basis for molecular biology to more accurately subgroup patients with melanoma. The development of novel mutation-targeted and immunomodu ...
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Journal ArticlePET Clin · October 2017
Gastric cancer is a disease with low survival rates and high morbidity, requiring accurate and prompt diagnosis and treatment. Although limited in the evaluation of the primary tumor as such, the metabolic information of primary tumors in an 18F-FDG PET/CT ...
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Journal ArticlePET Clin · October 2017
18F-FDG PET/CT has been described as an accurate tool for initial diagnosis of pancreatic adenocarcinoma. It differentiates benign from malignant causes; detects local and, especially, distant spread of disease; and is a very good predictor of patient prog ...
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Journal ArticleAJR Am J Roentgenol · August 2017
OBJECTIVE: The purpose of this article is to summarize the evidence for the value of PET/CT for the management of patients with head and neck squamous cell cancer and suggest best clinical practices. CONCLUSION: FDG PET/CT is a valuable imaging tool for id ...
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Journal ArticleNucl Med Commun · August 2017
PURPOSE: This study aimed to evaluate the comparative effectiveness of follow-up fluorine-18-fluorodeoxyglucose (F-FDG)-PET/CT and chest CT in the detection of local, regional, and distant metastatic diseases in lung cancer. PATIENTS AND METHODS: Follow-up ...
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Journal ArticleJ Nucl Med · May 2017
The Centers for Medicare and Medicaid Services coverage includes 3 posttherapy 18F-FDG PET/CT scans per patient and per tumor type. Any additional follow-up 18F-FDG PET/CT scans will be reimbursed at the discretion of a local Medicare administrator, if dee ...
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Journal ArticleClin Nucl Med · May 2017
OBJECTIVE: The aim of this study was to evaluate the impact of intratumoral metabolic heterogeneity and quantitative FDG PET/CT imaging parameters for predicting patient outcomes in primary oropharyngeal squamous cell cancer (OPSCC). PATIENTS AND METHODS: ...
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Journal ArticleAcad Radiol · May 2017
Precision medicine is an emerging approach for treating medical disorders, which takes into account individual variability in genetic and environmental factors. Preventive or therapeutic interventions can then be directed to those who will benefit most fro ...
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Journal ArticleNucl Med Commun · March 2017
OBJECTIVE: To compare the accuracy of same-day therapy-assessment PET/computed tomography (PET/CT) and conventional contrast-enhanced computed tomography (CECT) in patients with oropharyngeal squamous cell carcinoma (OPSCC). METHODS: A total of 110 (95 men ...
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Journal ArticleAJR Am J Roentgenol · February 2017
OBJECTIVE: The purpose of this article is to summarize the evidence regarding the role of FDG PET/CT in treatment response assessment and surveillance of lung cancer and to provide suggested best practices. CONCLUSION: FDG PET/CT is a valuable imaging tool ...
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Journal ArticleAnn Nucl Med · February 2017
OBJECTIVE: Distribution of PET tracer uptake is elaborately modeled via a general equation used for solute transport modeling. This model can be used to incorporate various transport parameters of a solid tumor such as hydraulic conductivity of the microve ...
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Journal ArticleJ Med Imaging (Bellingham) · January 2017
Recently, a class of no-gold-standard (NGS) techniques have been proposed to evaluate quantitative imaging methods using patient data. These techniques provide figures of merit (FoMs) quantifying the precision of the estimated quantitative value without re ...
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Journal ArticlePET Clin · January 2017
A variety of methods have been developed to assess tumor response to therapy. Standardized qualitative criteria based on 18F-fluoro-deoxyglucose PET/computed tomography have been proposed to evaluate the treatment effectiveness in specific cancers and thes ...
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Journal ArticlePET Clin · January 2017
The concept of using tumor genomic profiling information has revolutionized personalized cancer treatment. Head and neck (HN) cancer management is being influenced by recent discoveries of activating mutations in epidermal growth factor receptor and relate ...
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Journal ArticlePET Clin · January 2017
Precision Medicine is about selecting the right therapy for the right patient, at the right time, specific to the molecular targets expressed by disease or tumors, in the context of patient's environment and lifestyle. Some of the challenges for delivery o ...
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Journal ArticleClin Nucl Med · January 2017
OBJECTIVES: We aimed to determine the consistency of quantitative PET measurements of metabolic tumor volume (MTV) and intratumoral heterogeneity index for primary untreated pancreatic adenocarcinomas, when using dual-time point F-FDG PET/CT imaging. METHO ...
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Journal ArticleHead Neck · January 2017
BACKGROUND: Despite recent advances, survival outcomes for those with metastatic or recurrent head and neck squamous cell carcinoma (HNSCC) have remained poor. Novel approaches should be investigated to improve outcomes. METHODS: A retrospective chart revi ...
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Chapter · January 1, 2017
Hepatocellular carcinoma (HCC) is the sixth most common malignancy in Asia and Africa and constitutes 70%-85% of primary liver cancers. In addition to clinical information, benign findings and pitfalls in PET/CT reading using various radiotracers, and teac ...
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Chapter · January 1, 2017
Head and neck cancers are the sixth most common cancers among males. The role of fludeoxyglucose (FDG) PET/CT imaging in staging, therapy monitoring, radiation therapy planning, and long-term follow-up evaluation of head and neck squamous cell carcinoma (S ...
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Conference2015 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2015 · October 3, 2016
Drug delivery to solid tumors can be expressed physically using biomechanical phenomena such as convection, diffusion of drug in extracellular matrices, and drug extravasation from microvessels. Applying computational methods to solve governing conservatio ...
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Journal ArticleOncologist · September 2016
INTRODUCTION: We assessed the impact of [(18)F]-fluorodeoxyglucose (FDG)-positron emission tomography (PET) on intended management of patients in the National Oncologic PET Registry (NOPR) for three different diagnostic indications: (a) determining whether ...
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Journal ArticleAJR Am J Roentgenol · September 2016
OBJECTIVE: This study investigates the prognostic value of (18)F-FDG PET/CT qualitative therapy assessment (Hopkins criteria) in patients with head and neck squamous cell carcinomas (HNSCCs) with residual neck nodes after definitive chemoradiation therapy ...
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Journal ArticleClin Nucl Med · September 2016
PURPOSE: We aimed to evaluate the added value of performing fourth and subsequent follow-up F-FDG-PET/CT scans to clinical assessment and impact on the patient's management in patients with melanoma. METHODS: This was a retrospective study of 232 biopsy-pr ...
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Journal ArticleOncologist · August 2016
INTRODUCTION: This study compared the diagnostic test accuracy of magnetic resonance imaging (MRI) with that of (18)F-fluoro-2-glucose-positron emission tomography/computed tomography (FDG-PET/CT) imaging in assessment of response to neoadjuvant chemothera ...
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Journal ArticleAJR Am J Roentgenol · August 2016
OBJECTIVE: The purpose of this study was to evaluate the impact of quantitative PET parameters in the overall survival of patients with recurrent colorectal cancer. MATERIALS AND METHODS: A total of 105 patients with a biopsy-proven recurrence of colorecta ...
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Journal ArticlePET Clin · July 2016
Using tumor genomic profiling information has revolutionized the landscape of personalized treatment of lung cancer. The management of lung cancer and non-small cell lung cancer particularly is influenced by discoveries of activating mutations in epidermal ...
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Journal ArticleNucl Med Commun · July 2016
OBJECTIVE: To evaluate the impact of fourth and subsequent follow-up PET/computed tomography (PET/CT) scans in patients with non-Hodgkins lymphoma (NHL). MATERIALS AND METHODS: This retrospective study evaluated all biopsy-proven NHL patients who had more ...
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Journal ArticleJ Nucl Med · June 2016
UNLABELLED: The purpose of this study was to evaluate the value of an (18)F-FDG PET/CT-based interpretation system (Hopkins criteria) to assess the therapy response and survival in lung cancer. METHODS: This is an Institutional Review Board-approved, retro ...
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Journal ArticleNucl Med Commun · June 2016
OBJECTIVE: To evaluate the accuracy and value of the fourth and subsequent post-therapy follow-up fluorine-18 fluorodeoxyglucose (F-FDG) PET/computed tomography (CT) scans in the clinical assessment of breast cancer patients. MATERIALS AND METHODS: Ninety- ...
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Journal ArticleAJR Am J Roentgenol · May 2016
OBJECTIVE: The purpose of this study was to assess the value of posttreatment FDG PET/CT in patients with squamous cell carcinoma of the head and neck (HNSCC) treated with primary surgical resection with or without adjuvant concurrent chemoradiotherapy. MA ...
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Journal ArticleAJR Am J Roentgenol · April 2016
OBJECTIVE: The objective of this study was to assess the value of quantitative PET parameters in the prediction of survival for patients with recurrent breast cancer. MATERIALS AND METHODS: We conducted a retrospective study of 78 women who had recurrent b ...
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Journal ArticleAnn Intern Med · March 15, 2016
BACKGROUND: N-acetylcysteine, sodium bicarbonate, statins, and ascorbic acid have been studied for reducing contrast-induced nephropathy (CIN). PURPOSE: To evaluate the comparative effectiveness of interventions to reduce CIN in adults receiving contrast m ...
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Journal ArticleAnn Intern Med · March 15, 2016
BACKGROUND: Iodine contrast media are essential components of many imaging procedures. An important potential side effect is contrast-induced nephropathy (CIN). PURPOSE: To compare CIN risk for contrast media within and between osmolality classes in patien ...
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Conference2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014 · March 10, 2016
In this paper, the distribution of PET tracer uptake is elaborately modeled via a general equation used for solute transport modeling. This model can be used to incorporate various transport parameters of a solid tumor such as hydraulic conductivity of the ...
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Conference2014 IEEE Nuclear Science Symposium and Medical Imaging Conference, NSS/MIC 2014 · March 10, 2016
Oncoloc PET images provide valuable information that can enable enhanced prognosis of disease. Nonetheless, such information is commonly simplified significantly in routine clinical assessment to meet workflow constraints. Examples for typical FDG PET metr ...
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Journal ArticleNucl Med Commun · March 2016
INTRODUCTION: This study aims to determine the impact of point-spread function (PSF) reconstruction on quantitative PET/computed tomography (CT) indices and the inter-reader reproducibility of these measurements. MATERIALS AND METHODS: The study was approv ...
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Journal ArticleNucl Med Commun · March 2016
OBJECTIVES: This study aims to evaluate the impact of therapy assessment PET/computed tomography (CT) scan on the management of locally advanced pancreatic adenocarcinoma (LAPC), and the value of qualitative versus quantitative PET/CT interpretation for pa ...
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Journal ArticleClin Nucl Med · February 2016
This practice parameter is for both FDG and amyloid brain PET or PET/computed tomography (CT) for patients with cognitive decline, and has been developed collaboratively by the American College of Radiology (ACR) and the American Society for Neuroradiology ...
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Journal ArticleCancer Prev Res (Phila) · February 2016
Human papillomavirus (HPV) is responsible for increasing incidence of oropharyngeal cancer. At present, there are no biomarkers in the surveillance algorithm for HPV-positive oropharyngeal cancer (HPV-OPC). HPV16 E6 antibody precedes oropharyngeal cancer d ...
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Journal ArticleClin Nucl Med · February 2016
OBJECTIVE: The aim of this study was to evaluate the value of each follow-up PET/CT in the clinical assessment of recurrence as well as determining its impact on management in patients with non-Hodgkin lymphoma (NHL). PATIENTS AND METHODS: All patients dia ...
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Journal ArticlePhys Med Biol · January 7, 2016
Oncologic PET images provide valuable information that can enable enhanced prognosis of disease. Nonetheless, such information is simplified significantly in routine clinical assessment to meet workflow constraints. Examples of typical FDG PET metrics incl ...
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Journal ArticleRadiology · January 2016
With current shifts in our health care system and a growing national discussion around the concept of the value of imaging, it is time for radiologists and nuclear medicine physicians to recognize and accept our role in the multidisciplinary oncology team. ...
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Journal ArticleJ Comput Assist Tomogr · 2016
The role of positron emission tomography (PET) and PET/computed tomography (CT) in the management of pancreatic cancer patients has not been clearly established. Although value of PET/CT in the staging of pancreatic cancer is still being debated, several s ...
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Journal ArticleJAMA Otolaryngol Head Neck Surg · January 2016
18F-fludeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) has been performed widely in diagnosis and management of patients with oropharyngeal squamous cell carcinoma (OPSCC). This review summarizes the literature on this tool in th ...
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Journal Article · 2016
ObjectiveTo evaluate the comparative effectiveness of interventions (intravenous [IV] fluids, N-acetylcysteine, sodium bicarbonate, and statins, among others) to reduce the risk of contrast-induced nephropathy (CIN), need for renal replacement the ...
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Journal ArticleAJR Am J Roentgenol · December 2015
OBJECTIVE: The purposes of this article are to illustrate the sonographic appearance of the oropharynx and to discuss the potential role of ultrasound in evaluation of the oropharynx. CONCLUSION: Ultrasound is not currently used in the standard clinical ev ...
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Journal ArticleJ Med Imaging Radiat Oncol · December 2015
INTRODUCTION: To establish the accuracy of follow-up fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT and the impact of FDG PET/CT result on management decisions and patient outcome prediction (overall and progression free survival) in human ...
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Journal ArticleAJR Am J Roentgenol · November 2015
OBJECTIVE: The objective of this study was to determine the predictive value of intra-therapy or posttherapy FDG PET or FDG PET/CT with regard to overall survival (OS) and event-free survival (EFS) outcomes for patients with head and neck cancer (HNC). MAT ...
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Journal ArticleEur J Nucl Med Mol Imaging · November 2015
PURPOSE: Hypoxia is an important factor influencing tumor progression and treatment efficacy. The aim of this study was to investigate the repeatability of hypoxia PET imaging with [(18)F]HX4 in patients with head and neck and lung cancer. METHODS: Nine pa ...
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Journal ArticleAJR Am J Roentgenol · September 2015
OBJECTIVE: The purpose of this study was to assess the diagnostic performance of FDG PET or PET/CT for detection of local, regional, and distant recurrences in the follow-up of patients with head and neck cancer who underwent definitive treatment. MATERIAL ...
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Journal ArticleJ Nucl Med · August 2015
UNLABELLED: PET/CT with the glucose analog (18)F-FDG has several potential applications for monitoring tumor response to therapy in patients with non-small cell lung cancer (NSCLC). A prerequisite for many of these applications is detailed knowledge of the ...
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Journal ArticleAJR Am J Roentgenol · August 2015
OBJECTIVE: FDG PET/CT has excellent diagnostic accuracy for detecting locoregional nodal and distant metastases, can be used to assess therapeutic response, and provides valuable information about prognosis in patients with oral cavity cancer. The aim of t ...
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Journal ArticleAJR Am J Roentgenol · August 2015
OBJECTIVE: Monoclonal antibodies that target the programmed cell death 1 (PD-1) immune checkpoint protein and its associated ligands, PD-L1 and PD-L2, and targeted inhibitors of mutated signal transduction molecules such as BRAF inhibitors show immense pro ...
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Journal ArticleJ Nucl Med · July 2015
UNLABELLED: The purpose of this study was to evaluate the added value of a fourth and subsequent follow-up PET/CT scans to clinical assessment and impact on patient management in patients with colorectal cancer. METHODS: This was an institutional review bo ...
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Journal ArticlePET Clin · July 2015
Fludeoxyglucose F 18 ((18)F-FDG) PET/CT has not been shown to offer additional benefit in the initial diagnosis of pancreatic cancer, but studies show benefit of (18)F-FDG PET/CT in initial staging and patient prognosis. There is evidence for (18)F-FDG PET ...
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Journal ArticlePET Clin · July 2015
Fluorodeoxyglucose (FDG)-PET/computed tomography (CT) has been increasingly used in bone and soft tissue sarcomas and provides advantages in the initial tumor staging, tumor grading, therapy assessment, and recurrence detection. FDG-PET/CT metabolic parame ...
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Journal ArticlePET Clin · July 2015
(18)F-flourodeoxy-glucose (FDG) PET/computed tomography (CT) is most useful in the evaluation of primary central nervous system (CNS) lymphoma, important in diagnosis, pretherapy prognosis, and therapy response evaluation. Utility in working up gliomas is ...
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Journal ArticleAnn Oncol · June 2015
BACKGROUND: To determine genomic alterations in head and neck squamous cell carcinoma (HNSCC) using formalin-fixed, paraffin-embedded (FFPE) tumors obtained through routine clinical practice, selected cancer-related genes were evaluated and compared with a ...
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Journal ArticleJ Med Imaging Radiat Oncol · June 2015
INTRODUCTION: The purpose of this study was to evaluate the added value of follow-up fluorodeoxyglucose positron emission tomography/computed tomography (FDG PET/CT) to clinical assessment and predicting survival outcome in patients with differentiated thy ...
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Journal ArticleAJR Am J Roentgenol · May 2015
OBJECTIVE: The purpose of this study is to evaluate the performance of PET-derived parameters as prognostic markers for overall survival (OS) and progression-free survival (PFS) outcome in patients with pancreatic adenocarcinoma. MATERIALS AND METHODS: We ...
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Journal ArticleBMJ Case Rep · April 9, 2015
A 67-year-old man presented with several days of progressive, painless left eye vision loss. He reported mild jaw claudication but denied headache, scalp tenderness or constitutional symptoms. Examination revealed palpable temporal arteries, blurring of th ...
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Journal ArticlePET Clin · April 2015
"Fluorodeoxyglucose (FDG) PET/computed tomography (CT) is used most frequently in the surveillance of iodine-refractory differentiated thyroid cancer with increased thyroglobulin level after therapy. This article evaluates the impact of FDG-PET/CT on clini ...
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Journal ArticlePET Clin · April 2015
PET with fluorodeoxyglucose F 18/computed tomography ((18)F-FDG PET/CT) has evolved into an indispensable imaging technique in the management of patients with esophageal cancer. Staging with (18)F-FDG PET/CT is strongly associated with overall survival and ...
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Journal ArticlePET Clin · April 2015
There is a growing body of evidence that point to the value of 18F fluoro-deoxyglucose-PET/CT in the management of head and neck cancer (HNC) patients and predicting patient-related outcomes. FDG-PET/CT changes the baseline staging (compared with CT or MR ...
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Journal ArticleAJR Am J Roentgenol · February 2015
OBJECTIVE. The purpose of this study was to evaluate the repeatability of liver mean standardized uptake value normalized to lean body mass (SULmean) in the same patients at different time points within the right lobe of the liver at (18)F-FDG PET/CT, in a ...
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Journal ArticleJ Nucl Med · February 2015
UNLABELLED: The Centers for Medicare and Medicaid Services recently ruled that only 3 posttherapy follow-up (18)F-FDG PET/CT scans are funded for a tumor type per patient and any additional follow-up PET/CT scans will be funded at the discretion of the loc ...
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Journal ArticleAJR Am J Roentgenol · January 2015
OBJECTIVE: We review the role of brain FDG PET in the diagnosis of Alzheimer disease, frontotemporal dementia, dementia with Lewy bodies, and vascular dementia. Characteristic spatial patterns of brain metabolism on FDG PET can help differentiate various s ...
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Journal ArticleRadiographics · 2015
Multiple myeloma is a common hematologic malignancy among the elderly population. Although there have been many advances in treatment over the past few decades, the overall prognosis for the disease remains poor. Conventional radiography has long been the ...
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Journal ArticleJ Am Coll Radiol · January 2015
Neurodegenerative disease, including dementia, extrapyramidal degeneration, and motor system degeneration, is a growing public health concern and is quickly becoming one of the top health care priorities of developed nations. The primary function of anatom ...
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Journal ArticleAcad Radiol · January 2015
Academic radiology is poised to play an important role in the development and implementation of quantitative imaging (QI) tools. This article, drafted by the Association of University Radiologists Radiology Research Alliance Quantitative Imaging Task Force ...
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Journal ArticleAcad Radiol · January 2015
RATIONALE AND OBJECTIVES: With rapid scientific and technological advancements in radiological research, there is renewed emphasis on promoting early research training to develop researchers who are capable of tackling the hypothesis-driven research that i ...
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Journal ArticleAcad Radiol · January 2015
Quantitative imaging (QI) is increasingly applied in modern radiology practice, assisting in the clinical assessment of many patients and providing a source of biomarkers for a spectrum of diseases. QI is commonly used to inform patient diagnosis or progno ...
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Journal ArticleClin Nucl Med · January 2015
OBJECTIVE: The objective of this study is to establish the magnitude change and interreader reliability of the liver standardized uptake value corrected for lean body mass (SULmean) in dual-time-point imaging at 1 and 2 hours and 1 and 4 hours. PATIENTS AN ...
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Journal ArticleAm J Nucl Med Mol Imaging · 2015
The objective of this study is to establish the utilization trends of CT, MRI, and FDG-PET/CT for evaluation of oropharyngeal squamous cell carcinoma (OPSCC) patients. A total of 173 patients with newly diagnosed stage III or IV OPSCC between 2003 and 2009 ...
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Journal Article · 2015
ObjectivesTo evaluate the comparative effects of different types of contrast media with respect to the risk of developing contrast-induced nephropathy (CIN) by synthesizing the current literature.Data sourcesWe searched for original studi ...
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Journal ArticleJ Nucl Med · December 2014
UNLABELLED: Because only pathologic examination can confirm the presence or absence of malignant disease in cancer patients, a certain rate of misinterpretation in any kind of imaging study is inevitable. For the accuracy of interpretation to be improved, ...
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Journal ArticleAJR Am J Roentgenol · November 2014
OBJECTIVE: CT remains the imaging modality of choice in the diagnosis of colorectal cancer (CRC) and anal cancer. However, advances in imaging have expanded the role of MRI and PET/CT. This article focuses on the evolving role of FDG PET/CT in the diagnosi ...
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Journal ArticleClin Nucl Med · October 2014
OBJECTIVES: The aim of this article was to review the current role of brain PET in the diagnosis of Alzheimer dementia. The characteristic patterns of glucose metabolism on brain FDG-PET can help in differentiating Alzheimer's disease from other causes of ...
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Journal ArticleAJR Am J Roentgenol · October 2014
OBJECTIVE: The purpose of this study was to establish the prognostic utility in human papillomavirus (HPV)-positive stage III and IV oropharyngeal squamous cell carcinoma (SCC) of the (18)F-FDG parameters maximal, mean, and peak standardized uptake value ( ...
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Journal ArticleSurg Oncol Clin N Am · October 2014
In this review, the value of imaging in the management of head and neck tumors is summarized. The many diverse tumors of the head and neck are grouped for purposes of staging and treatment. The groupings of malignancies consist of sinonasal, nasopharynx, s ...
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Journal ArticleJ Nucl Med · September 2014
UNLABELLED: There has been no established qualitative system of interpretation for therapy response assessment using PET/CT for head and neck cancers. The objective of this study was to validate the Hopkins interpretation system to assess therapy response ...
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Journal ArticleAJR Am J Roentgenol · August 2014
OBJECTIVE: FDG PET/CT has a growing role in the diagnosis and management of nasopharyngeal carcinoma (NPC). FDG PET has greater efficacy for N and M staging than other modalities, which enables the treating oncologists to select the appropriate mode of tre ...
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Journal ArticleAJR Am J Roentgenol · August 2014
OBJECTIVE: The purpose of this study was to establish the predictive value of (18)F-FDG parameters for overall survival in biopsy-proven recurrent head and neck squamous cell cancer (HNSCC) patients after definitive chemoradiotherapy. MATERIALS AND METHODS ...
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Journal ArticleJ Nucl Med · July 2014
UNLABELLED: The value of performing follow-up PET/CT imaging more than 6 mo after the conclusion of therapy-either as a routine practice or because of clinically suspected recurrence-is not well established. The purpose of this study was to evaluate the ad ...
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Journal ArticleAJR Am J Roentgenol · June 2014
OBJECTIVE: Thyroid cancer is the most common endocrine cancer. This review evaluates the established use of (18)F-FDG PET/CT in papillary, follicular, Hürthle cell, anaplastic, and medullary thyroid cancers. The significance of incidental diffuse and focal ...
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Journal ArticleAJR Am J Roentgenol · May 2014
OBJECTIVE: The purpose of this study was to establish the correlation and reliability among the pathologic tumor volume and gradient and fixed threshold segmentations of (18)F-FDG PET metabolic tumor volume of human solid tumors. MATERIALS AND METHODS: The ...
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Journal ArticleAm J Clin Oncol · April 2014
OBJECTIVES: To determine the prognostic utility of a volumetric threshold for gross tumor volume (GTV) of the primary and nodal disease when accounting for the TNM classification in head and neck cancer (HNC) patients treated with definitive radiotherapy ( ...
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Journal ArticleJ Nucl Med · March 2014
Human papillomavirus (HPV)-positive oropharyngeal squamous cell carcinoma (OPSCC) represents an emerging disease that differs from HPV-negative OPSCC in natural history and prognosis. Contrast-enhanced PET/CT is essential to accurately stage the primary si ...
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Journal ArticleClin Nucl Med · March 2014
OBJECTIVE: The objective of this study was to assess differences in morphological and glycolytic characteristics of primary tumors and locoregional nodal disease between human papillomavirus (HPV)-positive and HPV-negative oropharyngeal head and neck squam ...
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Journal ArticleImaging in Medicine · February 1, 2014
Paraneoplastic neurologic syndromes (PNS) are a rare, heterogeneous group of complications associated with malignancy, unrelated to direct tumor invasion or metastasis, that may be immune-mediated. The aim of this article is to provide an overview of PNS a ...
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Journal ArticleJ Med Imaging Radiat Oncol · February 2014
INTRODUCTION: To evaluate whether the change in the metabolic tumour volume (MTV) or total lesion glycolysis (TLG) of the primary tumour, before and after induction chemotherapy, predicts outcome for patients with advanced head and neck squamous cell cance ...
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Journal ArticleAJR Am J Roentgenol · February 2014
OBJECTIVE: The purpose of this article is to evaluate the interreader agreement and variability of two (18)F-FDG PET parameters, metabolic tumor volume and total lesion glycolysis, in human solid tumors. MATERIALS AND METHODS: One hundred eleven patients ( ...
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Journal ArticleJ Nucl Med · December 2013
UNLABELLED: (18)F-FDG PET/CT is used in the follow-up of patients with head and neck squamous cell cancer (HNSCC). However, its impact on clinical decision making and patient outcome is not fully established. The objective of this study was to determine th ...
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Journal ArticleAcad Radiol · December 2013
Fostering radiology research among medical students can enhance a student's interest and understanding of radiology and research. It increases the academic productivity of the mentor and the department. Radiology faculty and departments should actively see ...
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Journal ArticleClin Nucl Med · October 2013
PURPOSE OF THE REPORT: This study aims to determine if the expansion of a PET/CT service to include simultaneous contrast-enhanced CT with PET (PET/DCT) leads to a reduction of supplemental diagnostic CT (sCT) performed within a 6-month period centered aro ...
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Journal ArticlePET Clin · October 2013
The clinical diagnosis of Parkinson disease (PD) is difficult, as several other neurodegenerative and basal ganglia disorders have similar clinical presentations. Dopamine transporter single-photon emission computed tomography has been proposed as possible ...
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Journal ArticleSkeletal Radiol · September 2013
Neurofibromatosis type 1 (NF1) is a neurocutaneous syndrome characterized by the development of multiple peripheral nerve sheath tumors, the majority of which are benign neurofibromas. However, malignant peripheral nerve sheath tumors (MPNSTs) occur with a ...
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Journal ArticleAJR Am J Roentgenol · August 2013
OBJECTIVE. FDG PET/CT is emerging as an important modality in the evaluation of pleural tumors. PET/CT has an established role in the diagnosis and staging and shows promise in therapy planning, therapy response assessment, and providing prognostic informa ...
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Journal ArticleAJR Am J Roentgenol · August 2013
OBJECTIVE. Cervical cancer is the second most common malignancy in women worldwide and the third most common cause of cancer mortality in the United States. The aim of this article is to describe cervical cancer and outline the value of (18)F-FDG PET/CT in ...
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Journal ArticleRadiology · May 2013
PURPOSE: To evaluate how interreader agreement and the site of the volume of interest (VOI) affect the agreement and variability of liver mean standardized uptake value normalized to lean body mass (SUL(mean)) at fluorine 18 fluorodeoxyglucose (FDG) positr ...
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Journal ArticleAJR Am J Roentgenol · April 2013
OBJECTIVE: Multiple myeloma is the most common cause of primary malignancy in bones. Radiography has been the imaging reference standard for decades. However, the growing use of CT, MRI, and PET technology has led to earlier diagnosis of multiple myeloma, ...
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Journal ArticleJ Med Imaging Radiat Oncol · April 2013
INTRODUCTION: To establish the effects of biological and procedural factors on mediastinal and liver [(18) F]-fluorodeoxyglucose (FDG) uptake in oncological FDG positron emission tomography/computed tomography (PET/CT). METHODS: This retrospective study in ...
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Journal ArticleAJR Am J Roentgenol · March 2013
OBJECTIVE: The purpose of the study was to assess metabolic tumor volume and total glycolytic activity of the primary tumor as prognostic parameters for outcome in patients with non-small cell lung carcinoma (NSCLC). MATERIALS AND METHODS: Thirty-nine pati ...
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ConferenceJ Thorac Cardiovasc Surg · March 2013
OBJECTIVE(S): Recommendations for surveillance after stereotactic body radiation therapy (SBRT) for early stage non-small cell lung cancer (NSCLC) are not well defined. Prospective studies evaluating the efficacy of SBRT have used interval posttreatment im ...
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Journal ArticleImaging Med · December 2012
This article discusses the value of 18F-fluoro-2-deoxyglucose PET/CT imaging biomarkers in head and neck squamous cell carcinoma. 18F-fluoro-2-deoxyglucose PET/CT is valuable at baseline staging, radiotherapy planning, therapy response assessment and in th ...
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Journal ArticleAnn Nucl Med · November 2012
OBJECTIVE: To establish the effects of size and segmentation methods on intra-reader reliability of primary tumor metabolic tumor volume (MTV) and total glycolytic activity (TGA) in human solid tumors. METHODS: This is a retrospective study of 121 patients ...
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Journal ArticleAJR Am J Roentgenol · November 2012
OBJECTIVE: The purpose of this perspective is to discuss the use of deformable registration as a tool for image fusion to integrate information from PET/CT scans obtained before and after chemotherapy to assist definition of radiation targets in the manage ...
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Journal ArticleAJR Am J Roentgenol · November 2012
OBJECTIVE: Pancreatic cancer continues to have a poor prognosis despite impressive improvements in the outcomes of many other types of cancer, often because most pancreatic neoplasms are found to be unresectable at diagnosis. The purpose of this review is ...
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Journal ArticleJ Nucl Med · October 2012
UNLABELLED: Oncologic (18)F-FDG PET/CT is rapidly gaining acceptance in clinical practice. However, the referring physician's attitude toward the usefulness of this diagnostic modality is unknown. This survey was undertaken to collect information regarding ...
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Journal ArticleAnn Nucl Med · August 2012
OBJECTIVE: To compare the prognostic utility of the 2-[(18)F] fluoro-2-deoxy-D: -glucose (FDG) maximum standardized uptake value (SUV(max)), primary gross tumor volume (GTV), and FDG metabolic tumor volume (MTV) for disease control and survival in patients ...
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Journal ArticleJ Nucl Med · August 2012
UNLABELLED: The purpose of this study was to evaluate the clinical utility of (18)F-FDG PET/CT in esthesioneuroblastoma staging and restaging and quantify the additional benefit of PET/CT to conventional imaging. METHODS: A retrospective review was perform ...
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Journal ArticleClin Nucl Med · July 2012
Carcinoma showing thymus-like differentiation is a malignant, extremely rare neoplasm that arises in the thyroid gland or neighboring neck soft tissue and closely resembles thymic carcinoma. Long-term survival is possible if the disease is diagnosed early ...
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Journal ArticleJ Nucl Med · May 2012
UNLABELLED: (18)F-FDG metabolic tumor volume (MTV) and total glycolytic activity (TGA) have been proposed as potential prognostic imaging markers for patient outcome in human solid tumors. The purpose of this study was to establish whether MTV and TGA add ...
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Journal ArticleNucl Med Commun · March 2012
BACKGROUND: Interobserver agreement in measuring positron emission tomography (PET)/computed tomography (CT) parameters is critical for head and neck cancer management. The purpose of this study is to assess the interobserver agreement when measuring the s ...
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Journal ArticleAJR Am J Roentgenol · February 2012
OBJECTIVE: The purpose of this article is to establish (18)F-FDG metabolic imaging parameters to differentiate benign and malignant tumors of the parotid gland. MATERIALS AND METHODS: Forty-nine patients with increased FDG uptake in the parotid gland were ...
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Journal ArticleRadiographics · 2012
In intensity-modulated radiation therapy (IMRT), precise target delineation is important to avoid underdosing areas at risk for recurrence and overdosing adjacent normal tissue. In postoperative radiation therapy of patients with head and neck cancer (HNC) ...
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Journal ArticleAJR Am J Roentgenol · November 2011
OBJECTIVE: The purpose of our study was to determine the management and cancer outcome of incidental cancer-related findings reported on CT radiation treatment planning scans. MATERIALS AND METHODS: We conducted a retrospective review of CT planning scans ...
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Journal ArticleAJR Am J Roentgenol · October 2011
OBJECTIVE: The purpose of this article is to establish whether pretreatment (18)F-FDG uptake predicts disease-free survival (DFS) and overall survival in patients with head-and-neck non-squamous cell carcinoma (SCC). MATERIALS AND METHODS: Eighteen patient ...
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Journal ArticleAJR Am J Roentgenol · August 2011
OBJECTIVE: This article will discuss the (18)F-FDG normal variant uptake and the role of FDG PET/CT in malignancies in HIV-infected patients, CNS manifestations of HIV, assessing fever of unknown origin in HIV patients, assessing response to highly active ...
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Journal ArticleAJR Am J Roentgenol · August 2011
OBJECTIVE: Metastasis is the most common (95%) of liver lesions. Early diagnosis and staging are the keys to treatment planning and prognosis. There is a consistent benefit to the use of PET/CT for detecting hepatic, local, and distant metastases from a va ...
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Journal ArticleAJR Am J Roentgenol · August 2011
OBJECTIVE: Primary hepatobiliary malignancies consist of hepatocellular carcinoma, cholangiocarcinoma, and gallbladder cancer. Benign hepatic lesions include hepatic cysts, hemagiomas, adenomas, and focal nodular hyperplasias. The utility of PET/CT in imag ...
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Journal ArticlePract Radiat Oncol · 2011
PURPOSE: To determine the frequency of significant incidental findings on diagnostic quality simulation computed tomographic (CT) scans for radiotherapy planning. METHODS AND MATERIALS: An institutional review board--approved retrospective review of radiat ...
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Journal ArticleDentomaxillofac Radiol · October 2010
Ameloblastic carcinoma is a very rare malignant odontogenic tumour with characteristic histopathological and clinical features, which requires aggressive surgical treatment and surveillance and, therefore, differs from ameloblastoma. Metastasis typically o ...
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Journal ArticleRadiology · May 2010
PURPOSE: To quantify fluorine 18 ((18)F) fluorodeoxyglucose (FDG) uptake in the palatine tonsils to identify a sensitive and specific metric for distinguishing physiologic asymmetric uptake from squamous cell carcinoma (SCC). MATERIALS AND METHODS: This HI ...
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Journal ArticleAJNR Am J Neuroradiol · April 2010
The hybrid technique of PET/CT has significantly impacted the imaging and management of HNSCC since its introduction in 2001 and has become the technique of choice for imaging of this cancer. Diagnostic FDG-PET/CT is useful for identification of an unknown ...
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Journal ArticleRadiographics · 2010
With the increasing use of intensity-modulated radiation therapy (IMRT) for the treatment of head and neck cancer, radiation oncologists are expected to have an in-depth knowledge of the computed tomographic (CT) and magnetic resonance (MR) imaging anatomy ...
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Journal ArticleJ Med Imaging Radiat Oncol · August 2009
This study prospectively evaluates whether a previously established adverse outcome score (the Geneva prognostic score) predicts 3 and 12-month overall mortality among the patients diagnosed with pulmonary embolism (PE) by a CT pulmonary angiogram (CTPA). ...
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Journal ArticleClin Lung Cancer · July 2009
BACKGROUND: Malignant pleural mesothelioma (MPM) is a primary malignancy characterized by local invasion of the pleura and metastasis. Despite advances in computed tomography (CT) and magnetic resonance imaging (MRI), accurately staging patients remains ch ...
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Journal ArticleJ Med Imaging Radiat Oncol · April 2009
Malignant pleural mesothelioma (MPM) is the most common primary pleural tumor and its incidence is rising. Its diagnosis, staging and response assessment are challenging for imaging. Integrated positron emission tomography (PET)/CT increases the accuracy o ...
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Journal ArticleMayo Clin Proc · August 2008
OBJECTIVE: To determine the value of positron emission tomography (PET) in diagnosing occult malignancies in patients with paraneoplastic neurologic syndromes (PNSs) at Mayo Clinic's site in Rochester, MN. PATIENTS AND METHODS: We retrospectively reviewed ...
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Journal ArticleClin Nucl Med · July 2008
F-18 FDG PET/CT is used to evaluate head and neck malignancies, including salivary gland tumors. We describe the FDG PET/CT features of a submandibular gland oncocytoma. An 85-year-old patient with small cell cancer of the lung and a history of squamous ce ...
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Journal ArticleAJR Am J Roentgenol · June 2008
OBJECTIVE: The purpose of this study was to establish whether a correlation exists between the CT pulmonary angiographic clot burden score, the ECG score at diagnosis, and the 12-month mortality rate among patients diagnosed with pulmonary embolism. SUBJEC ...
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Journal ArticleJ Med Imaging Radiat Oncol · June 2008
A clinical learning environment survey instrument was developed that provided insights into diagnostic radiology trainees' perceptions of the culture and context of the hospital-based training programme. The survey was completed by trainees allocated to 37 ...
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Journal ArticleEuropean Journal of Radiology Extra · April 1, 2008
Bisphosphonate-associated osteonecrosis of the mandible has been recently described. Since the diagnosis is confirmed by imaging rather than biopsy and treatment response is monitored by imaging, radiologists need to know this new entity. We present a case ...
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Journal ArticleClin Lymphoma Myeloma · April 2008
PURPOSE: To our knowledge, there are no published data pertinent to the use of [(18F)]fluorodeoxyglucose (FDG) positron emission tomography (PET)/computed tomography (CT) in patients with natural killer (NK)/T-cell lymphoma. The purpose of this study was t ...
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Journal ArticleNucl Med Commun · November 2007
OBJECTIVE: To determine the value of F-FDG PET/CT in the different manifestations of primary central nervous system lymphoma (PCNSL) in HIV-negative patients. METHODS: All PCNSL and HIV-negative patients referred for PET/CT in our institution from July 200 ...
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Journal ArticlePET Clin · October 2007
This article describes the use of 18F-fluorodeoxyglucose PET in patients who have head and neck cancer for assessment of therapy response, detection of locoregional recurrence and distant metastasis, and surveillance. ...
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Journal ArticleIntern Med J · September 2007
BACKGROUND: Accurate diagnosis of pulmonary embolism (PE) is essential and it is not clear whether a computed tomography pulmonary angiogram (CTPA) could be used as a stand-alone imaging investigation. The aim of the study was to test the accuracy of the c ...
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Journal ArticleAustralas Radiol · August 2007
This study, involving 19 centres, establishes the status of medical student radiology teaching in Australia and New Zealand. It aims to document the academic and clinical staff profile involved in teaching, to indicate the methods of instructions used, to ...
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Journal ArticleAustralas Radiol · August 2007
Magnetic resonance imaging is an excellent technique for imaging the tendons and the ligaments of the ankle. Owing to the advantage of detailed demonstration of soft-tissue structures and capability for multiplanar demonstration of the ankle ligaments and ...
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Journal ArticleJ Thorac Oncol · June 2007
The patient was a 40-year-old woman who was diagnosed with a malignant melanoma of the left posterior thigh. Follow-up positron emission tomography (PET)/computed tomography (CT) examination revealed an intensely FDG-avid lesion that predominantly containe ...
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Journal ArticleJ Nucl Med · June 2007
UNLABELLED: Our purpose was to determine the clinical significance of diffusely increased (18)F-FDG uptake in the thyroid gland as an incidental finding on PET/CT. METHODS: All patients who were found to have diffuse thyroid uptake on (18)F-FDG PET/CT in o ...
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Journal ArticleClin Nucl Med · April 2007
PURPOSE: Primary central nervous system lymphoma (PCNSL) accounts for approximately 3% of all primary brain tumors and 1% of all non-Hodgkin lymphomas. Detection of systemic spread of PCNSL, although rare (4%), is very important since therapy is usually mo ...
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Journal ArticleAustralas Radiol · February 2007
Medical student teaching is an important component of radiology education. Despite the practice of radiology undergoing significant changes during the last two or three decades, the importance of radiology has not translated fully into medical school curri ...
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Journal ArticleJ Comput Assist Tomogr · 2007
Congenital hyperinsulinism can be divided into diffuse or focal form. The treatment and outcome depend on distinguishing between the 2 forms. Pancreatic venous sampling was the only method available to localize the insulin secretion. [F]Fluoro-levodopa, 3, ...
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Journal ArticleJ Comput Assist Tomogr · 2007
OBJECTIVE: To demonstrate 3 cases of artifactual focal F-18 fluoro-deoxy-glucose accumulation in the lung parenchyma in the absence of any computed tomographic (CT) abnormality. MATERIALS AND METHODS: Three patients were examined: a 30-year-old man who had ...
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Journal ArticleAnn Emerg Med · December 2006
STUDY OBJECTIVE: We validate and compare the Hamilton score for assessment of lower limb deep venous thrombosis with the modified Wells score. METHODS: Consecutive patients presenting to the emergency department of a tertiary center for suspected lower lim ...
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Journal ArticleAustralas Radiol · October 2006
This study was conducted to establish clinicians' perspectives of a set of radiology curriculum topics for medical student teaching, which were held to be important by radiologists. A questionnaire was sent to clinicians in all specialties. Forty-six clini ...
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ConferenceAustralas Radiol · October 2006
This is a retrospective study to determine the accuracy and safety of a negative CT pulmonary angiogram (CTPA) based on clinical outcome and to determine the usefulness of a negative D-dimer assay before CTPA. A total of 483 patients with a negative CTPA s ...
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Journal ArticleAustralas Radiol · August 2006
Australian and New Zealand medical schools are partly or entirely incorporating problem-based learning (PBL) in their medical school curricula. As this change moves forwards and gathers momentum, radiologists are called upon to facilitate or to contribute ...
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Journal ArticleAcad Radiol · July 2006
RATIONALE AND OBJECTIVE: We sought to establish medical students' perspectives of a set of curriculum topics for radiology teaching. MATERIALS AND METHODS: A multicenter study was conducted in New Zealand. A modified Delphi method was adopted. Students enr ...
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Journal ArticleAustralas Radiol · June 2006
Over the last decade, contrast-enhanced spiral CT has been established as a non-invasive alternative to catheter angiography and is now regarded as the first-line imaging investigation for the diagnosis of pulmonary embolism (PE). The reported sensitivitie ...
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Journal ArticleAust Fam Physician · May 2006
BACKGROUND: The lifetime risk of a vertebral body compression fracture is 16% for women and 5% for men. Vertebroplastyn involves the injection of artificial bone cement and an opacifier into the inter-trabecular marrow space of the fractured vertebra. OBJE ...
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Journal ArticleEmerg Med Australas · 2006
BACKGROUND: A pre-test probability score and D-dimer may reduce the need for ultrasound examinations for excluding lower limb deep venous thrombosis (DVT). OBJECTIVE: To establish the accuracy of an immunochromatographic D-dimer assay called 'Simplify' for ...
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Journal ArticleAJR Am J Roentgenol · January 2006
OBJECTIVE: The purpose of our study was to develop and validate a clinical score (the Hamilton score) for the assessment of lower limb deep venous thrombosis (DVT) and to determine the usefulness of this score and a D-dimer assay before a complete lower li ...
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Journal ArticleCancer Forum · November 1, 2005
Magnetic resonance imaging is usefully employed on its own or with complementary technologies to evaluate stage and other characteristics for a range of specific tumour types. These include tumours of the central nervous system, head and neck, breast, pros ...
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Journal ArticleN Z Med J · October 28, 2005
AIMS: To establish the level of knowledge of new medical graduates in New Zealand about common radiological investigations and to assess their ability to request most appropriate, cost-effective radiological investigations for common clinical scenarios. ME ...
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Journal ArticleRadiology · October 2005
PURPOSE: To establish the safety of withholding anticoagulation therapy after negative findings at a complete lower limb ultrasonographic (US) examination of the symptomatic leg for suspected deep venous thrombosis (DVT). MATERIALS AND METHODS: Regional et ...
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Journal ArticleAustralas Radiol · September 2004
The present study describes some practical advantages and disadvantages of problem-based learning (PBL), and makes suggestions to improve PBL radiology teaching of medical students. ...
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Journal ArticleAustralas Radiol · June 2004
A venographic cryptic stenosis at the junction of middle and lateral third of the transverse sinus has been observed in patients suffering from idiopathic intracranial hypertension. After reviewing the anatomical and embryological literature of the transve ...
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Journal ArticleAcad Radiol · March 2003
RATIONALE AND OBJECTIVES: The authors attempt to provide a set of objectives for medical student training in radiology for contemporary medical practice. MATERIALS AND METHODS: A questionnaire containing a list of educational objectives was sent to 32 radi ...
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Journal ArticleEmerg Med (Fremantle) · September 2002
Presentations of high-pressure water blaster injuries to the emergency department are varied. Though these injuries are sometimes described as a 'benign variant' of high-pressure injection injuries, external appearances can be deceptive. These injuries can ...
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Journal ArticleJ Exp Med · July 20, 1998
Naive T cells recirculate mainly within the secondary lymphoid compartment, but once activated they can enter peripheral tissues and perform effector functions. To activate naive T cells, foreign antigens must traffic from the site of infection to the drai ...
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