Rendon C. Nelson

Journal Article Abdom Radiol (NY) · August 2022 PURPOSE: To compare clinical efficacy, subjective radiologist preference, and complication rates for two different core biopsy needles, the Achieve® and Marquee®. METHODS: Retrospective review included consecutive patients who underwent 18 gauge non-target ... Full text Link to item Cite

Dual-Energy CT Vital Iodine Tumor Burden for Response Assessment in Patients With Metastatic GIST Undergoing TKI Therapy: Comparison With Standard CT and FDG PET/CT Criteria.

Journal Article AJR Am J Roentgenol · April 2022 BACKGROUND. CT-based criteria for assessing the gastrointestinal stromal tumor (GIST) response to tyrosine kinase inhibitor (TKI) therapy are limited in part because tumor attenuation is influenced by treatment-related changes including hemorrhage and calc ... Full text Link to item Cite

HSP90-Specific nIR Probe Identifies Aggressive Prostate Cancers: Translation from Preclinical Models to a Human Phase I Study.

Journal Article Mol Cancer Ther · January 2022 A noninvasive test to discriminate indolent prostate cancers from lethal ones would focus treatment where necessary while reducing overtreatment. We exploited the known activity of heat shock protein 90 (Hsp90) as a chaperone critical for the function of n ... Full text Link to item Cite

Occult Regions of Suppressed Coherence in Liver B-Mode Images.

Journal Article Ultrasound Med Biol · January 2022 Ultrasound is an essential tool for diagnosing and monitoring diseases, but it can be limited by poor image quality. Lag-one coherence (LOC) is an image quality metric that can be related to signal-to-noise ratio and contrast-to-noise ratio. In this study, ... Full text Link to item Cite

Hemodialysis catheter integrity during mechanical power injection of iodinated contrast medium for computed tomography angiography.

Journal Article Abdom Radiol (NY) · June 2021 PURPOSE: CT angiography (CTA) requires vascular access with flow rates of 5-7 mL/s. Hemodialysis (HD) is performed at 6-10 mL/s. The purpose of our study is to evaluate the structural integrity of HD catheters in the administration of contrast media via a ... Full text Link to item Cite

How frequently does hepatocellular carcinoma develop in at-risk patients with a negative liver MRI examination with intravenous Gadobenate dimeglumine?

Journal Article Abdom Radiol (NY) · March 2021 OBJECTIVE: To determine the rate of development of clinically significant liver nodules (LR-4, LR-5, LR-M) after a negative MRI in an HCC screening population. METHODS: This retrospective study included patients at risk of developing HCC requiring imaging ... Full text Link to item Cite

Ultrasound-guided non-targeted liver core biopsy: comparison of the efficacy of two different core needle biopsy systems using an ex-vivo animal model and retrospective review of clinical experience.

Journal Article Clin Imaging · May 2020 PURPOSE: To compare the efficacy of two 18-gauge core needle biopsy systems, the Achieve® (Merit Medical) and the Marquee® (BD Bard), using an ex-vivo animal liver model and retrospective review of clinical experience. METHODS: Sixty ex-vivo liver biopsy s ... Full text Link to item Cite

How accurate and precise are CT based measurements of iodine concentration? A comparison of the minimum detectable concentration difference among single source and dual source dual energy CT in a phantom study.

Journal Article Eur Radiol · April 2019 OBJECTIVES: To assess the impact of scan- and patient-related factors on the error and the minimum detectable difference in iodine concentration among different generations of single-source (SS) fast kV-switching and dual-source (DS) dual-energy CT (DECT). ... Full text Link to item Cite

Hepatic Heterogeneity and Attenuation on Contrast-Enhanced CT in Patients With the Hypovolemic Shock Complex: Objective Classification Using a Contemporary Cohort.

Journal Article Curr Probl Diagn Radiol · 2019 OBJECTIVE: When objectively measured on computed tomography (CT), does hepatic heterogeneity or overall liver attenuation predict the presence of shock? METHODS: This retrospective study included 73 patients (mean age 33 years) with the hypoperfusion shock ... Full text Link to item Cite

EFFECTIVE DOSE ESTIMATION FROM ORGAN DOSE MEASUREMENTS IN FAST-kV SWITCH DUAL ENERGY COMPUTED TOMOGRAPHY.

Journal Article Radiat Prot Dosimetry · December 1, 2018 The purpose of this study was to validate a novel approach to estimating effective dose (E) in 'fast-kV switch dual energy computed tomography' using MOSFET detectors. The effective energy of the combined dual energy environment was characterized with the ... Full text Link to item Cite

Splenic contraction: a new member of the hypovolemic shock complex.

Journal Article Abdom Radiol (NY) · September 2018 OBJECTIVE: The objective of the article is to assess changes in splenic volume in the setting of hypovolemic shock; splenic enhancement in hypovolemic shock is also assessed. MATERIALS/METHODS: 71 consecutive adult patients with the hypovolemic shock compl ... Full text Link to item Cite

Characterization of Small Incidental Indeterminate Hypoattenuating Hepatic Lesions: Added Value of Single-Phase Contrast-Enhanced Dual-Energy CT Material Attenuation Analysis.

Journal Article AJR Am J Roentgenol · September 2018 OBJECTIVE: The objective of this study is to determine whether single-phase contrast-enhanced dual-energy CT (DECT) material attenuation analysis improves the characterization of small (< 2.0 cm) incidental indeterminate hypoattenuating hepatic lesions, co ... Full text Link to item Cite

Renal Lesion Characterization with Spectral CT: Determining the Optimal Energy for Virtual Monoenergetic Reconstruction.

Journal Article Radiology · June 2018 Purpose To investigate the relationship between energy level of virtual monoenergetic (VM) imaging and sensitivity in the detection of minimally enhancing renal lesions. Materials and Methods Phantoms simulating unenhanced and contrast material-enhanced re ... Full text Link to item Cite

A Third-Generation Adaptive Statistical Iterative Reconstruction Technique: Phantom Study of Image Noise, Spatial Resolution, Lesion Detectability, and Dose Reduction Potential.

Journal Article AJR Am J Roentgenol · June 2018 OBJECTIVE: The purpose of this study was to assess image noise, spatial resolution, lesion detectability, and the dose reduction potential of a proprietary third-generation adaptive statistical iterative reconstruction (ASIR-V) technique. MATERIALS AND MET ... Full text Link to item Cite

Image-Rich Radiology Reports: A Value-Based Model to Improve Clinical Workflow.

Journal Article J Am Coll Radiol · January 2017 PURPOSE: To determine the value of image-rich radiology reports (IRRR) by evaluating the interest and preferences of referring physicians, potential impact on clinical workflow, and the willingness of radiologists to create them. METHODS: Referring physici ... Full text Link to item Cite

Adoption of Splenic Enhancement to Time and Trigger the Late Hepatic Arterial Phase During MDCT of the Liver: Proof of Concept and Clinical Feasibility.

Journal Article AJR Am J Roentgenol · August 2016 OBJECTIVE: The purpose of this study was to prospectively investigate the clinical feasibility of adopting splenic enhancement for timing and triggering the acquisition of late hepatic arterial phase images during multiphasic liver MDCT for assessment of h ... Full text Link to item Cite

How reader perception of capsule affects interpretation of washout in hypervascular liver nodules in patients at risk for hepatocellular carcinoma.

Journal Article J Magn Reson Imaging · June 2016 PURPOSE: To determine whether reader perception of a capsule affects reader interpretation of washout in hypervascular liver nodules at dynamic magnetic resonance imaging (MRI) in patients at risk for hepatocellular carcinoma (HCC). MATERIALS AND METHODS: ... Full text Link to item Cite

Effect of a Noise-Optimized Second-Generation Monoenergetic Algorithm on Image Noise and Conspicuity of Hypervascular Liver Tumors: An In Vitro and In Vivo Study.

Journal Article AJR Am J Roentgenol · June 2016 OBJECTIVE: The purpose of this study is to investigate whether the reduction in noise using a second-generation monoenergetic algorithm can improve the conspicuity of hypervascular liver tumors on dual-energy CT (DECT) images of the liver. MATERIALS AND ME ... Full text Link to item Cite

Can combining triple-arterial phase acquisition with fluoroscopic triggering provide both optimal early and late hepatic arterial phase images during gadoxetic acid-enhanced MRI?

Journal Article J Magn Reson Imaging · May 2016 PURPOSE: To determine whether triple-arterial phase acquisition with fluoroscopic triggering can provide both well-timed early and late hepatic arterial phase (HAP) images more frequently than when using a fixed-time delay during gadoxetic acid-enhanced ma ... Full text Link to item Cite

Virtual Monochromatic Images from Dual-Energy Multidetector CT: Variance in CT Numbers from the Same Lesion between Single-Source Projection-based and Dual-Source Image-based Implementations.

Journal Article Radiology · April 2016 PURPOSE: To determine the variance in virtual monochromatic computed tomography (CT) numbers from the same lesion, comparing the two clinically available dual-energy multidetector CT hardware implementations (single-source projection-based and dual-source ... Full text Link to item Cite

Quantitative Features of Liver Lesions, Lung Nodules, and Renal Stones at Multi-Detector Row CT Examinations: Dependency on Radiation Dose and Reconstruction Algorithm.

Journal Article Radiology · April 2016 PURPOSE: To determine if radiation dose and reconstruction algorithm affect the computer-based extraction and analysis of quantitative imaging features in lung nodules, liver lesions, and renal stones at multi-detector row computed tomography (CT). MATERIA ... Full text Link to item Cite

Image-guided percutaneous drainage: a review.

Journal Article Abdom Radiol (NY) · April 2016 Percutaneous abscess drainage (PAD) has been proven to be a safe, effective, and widely used technique for treatment of patients with intra-abdominal fluid collections. Indications for PAD are ever expanding, and most abscesses are amenable to PAD. PAD is ... Full text Link to item Cite

Effect of radiologists' experience with an adaptive statistical iterative reconstruction algorithm on detection of hypervascular liver lesions and perception of image quality.

Journal Article Abdom Imaging · October 2015 PURPOSE: To prospectively evaluate whether clinical experience with an adaptive statistical iterative reconstruction algorithm (ASiR) has an effect on radiologists' diagnostic performance and confidence for the diagnosis of hypervascular liver tumors, as w ... Full text Link to item Cite

Impact of CT in elderly patients presenting to the emergency department with acute abdominal pain.

Journal Article Abdom Imaging · October 2015 PURPOSE: The purpose of the study was to document the clinical impact of CT in elderly patients presenting to the emergency department (ED) with abdominal pain. METHODS: This retrospective IRB-approved study from 2006 to 2013 evaluated 464 patients ≥80 yea ... Full text Link to item Cite

Percutaneous cryoablation of renal masses under CT fluoroscopy: radiation doses to the patient and interventionalist.

Journal Article Abdom Imaging · October 2015 PURPOSE: Computed tomographic (CT) fluoroscopy-guided percutaneous cryoablation is an effective therapeutic method used to treat focal renal masses. The purpose of this study is to quantify the radiation dose to the patient and interventional radiologist d ... Full text Link to item Cite

Diagnostic performance of imaging criteria for distinguishing autoimmune cholangiopathy from primary sclerosing cholangitis and bile duct malignancy.

Journal Article Abdom Imaging · October 2015 OBJECTIVE: To determine the diagnostic performance of imaging criteria for distinguishing Ig-G4-associated autoimmune cholangiopathy (IAC) from primary sclerosing cholangitis (PSC) and bile duct malignancy. METHODS: A medical records search between January ... Full text Link to item Cite

High-Pitch Dual-Source MDCT for Imaging of the Thoracoabdominal Aorta: Relationships Among Radiation Dose, Noise, Pitch, and Body Size in a Phantom Experiment and Clinical Study.

Journal Article AJR Am J Roentgenol · October 2015 OBJECTIVE: The purpose of this study was to investigate, both in a phantom experiment and a within-patient clinical study the relationships among radiation dose, image noise, pitch, and body size in MDCT angiography of the thoracoabdominal aorta, with the ... Full text Link to item Cite

How the radiologist can add value in the evaluation of the pre- and post-surgical pancreas.

Journal Article Abdom Imaging · October 2015 Disease involving the pancreas can be a significant diagnostic challenge to the interpreting radiologist. Moreover, the majority of disease processes involving the pancreas carry high significant morbidity and mortality either due to their natural process ... Full text Link to item Cite

Concordance of hypervascular liver nodule characterization between the organ procurement and transplant network and liver imaging reporting and data system classifications.

Journal Article J Magn Reson Imaging · August 2015 PURPOSE: To determine the rate of agreement between the Organ Procurement and Transplant Network (OPTN) and Liver Imaging Reporting and Data System (LI-RADS) classifications for hypervascular liver nodules at least 1 cm in diameter, and for patient eligibi ... Full text Link to item Cite

Comparison of Acute Histologic and Biomechanical Effects of Radiofrequency Ablation and Cryoablation on Periarticular Structures in a Swine Model.

Journal Article J Vasc Interv Radiol · August 2015 PURPOSE: To compare the acute effects of radiofrequency (RF) ablation and cryoablation on the structural integrity of nontarget periarticular tissues that may be placed at risk during percutaneous bone ablation. MATERIALS AND METHODS: RF ablation and cryoa ... Full text Link to item Cite

Dual-Energy MDCT for Imaging the Renal Mass.

Journal Article AJR Am J Roentgenol · June 2015 OBJECTIVE: The purpose of this article is to provide the reader with a comprehensive overview of dual-energy MDCT applications for imaging renal masses. CONCLUSION: Dual-energy MDCT has the potential to substantially improve the ability of radiologists to ... Full text Link to item Cite

Emerging applications for ferumoxytol as a contrast agent in MRI.

Journal Article J Magn Reson Imaging · April 2015 Ferumoxytol is an ultrasmall superparamagnetic iron oxide (USPIO) agent initially approved by the Food and Drug Administration (FDA) as an iron replacement therapy for patients with anemia due to chronic renal failure. Recently, ferumoxytol has been invest ... Full text Link to item Cite

Interdependencies of acquisition, detection, and reconstruction techniques on the accuracy of iodine quantification in varying patient sizes employing dual-energy CT.

Journal Article Eur Radiol · March 2015 PURPOSE: To assess the impact of patient habitus, acquisition parameters, detector efficiencies, and reconstruction techniques on the accuracy of iodine quantification using dual-source dual-energy CT (DECT). MATERIALS AND METHODS: Two phantoms simulating ... Full text Link to item Cite

Dual-energy multidetector CT for the characterization of incidental adrenal nodules: diagnostic performance of contrast-enhanced material density analysis.

Journal Article Radiology · February 2015 PURPOSE: To determine whether contrast material-enhanced dual-energy multidetector computed tomography (CT) with material decomposition analysis allows differentiation of adrenal adenomas from nonadenomatous lesions and to compare findings with those of no ... Full text Link to item Cite

Effects of model-based iterative reconstruction on image quality for low-dose computed tomographic angiography of the thoracic aorta in a Swine model.

Journal Article J Comput Assist Tomogr · 2015 PURPOSE: The aim of the study was to assess the image quality of multi-detector-row computed tomography (CT) angiographic images of the thoracic aorta reconstructed with filtered back projection (FBP), adaptive statistical iterative reconstruction, and mod ... Full text Link to item Cite

Dual-Energy Multidetector-Row Computed Tomography of the Hepatic Arterial System: Optimization of Energy and Material-Specific Reconstruction Techniques.

Journal Article J Comput Assist Tomogr · 2015 PURPOSE: To investigate the optimal dual-energy reconstruction technique for the visualization of the hepatic arterial system during dual-energy multidetector computed tomographic (MDCT) angiography of the liver. MATERIALS AND METHODS: Twenty-nine nonconse ... Full text Link to item Cite

Determination of contrast media administration to achieve a targeted contrast enhancement in CT

Conference Progress in Biomedical Optics and Imaging - Proceedings of SPIE · January 1, 2015 Contrast enhancement is a key component of CT imaging and offer opportunities for optimization. The design and optimization of new techniques however requires orchestration with the scan parameters and further a methodology to relate contrast enhancement a ... Full text Cite

Using the 3-tiered system for categorizing workup of incidental thyroid nodules detected on CT, MRI, or PET/CT: how many cancers would be missed?

Journal Article Thyroid · December 2014 BACKGROUND: A 3-tiered system has been proposed by radiologists for the reporting and workup of incidental thyroid nodules (ITN) detected on computed tomography (CT), magnetic resonance imaging (MRI), or positron emission tomography/computed tomography (PE ... Full text Link to item Cite

ACR Appropriateness Criteria® acute pancreatitis.

Journal Article Ultrasound Q · December 2014 The American College of Radiology Appropriateness Criteria are evidence-based guidelines for specific clinical conditions that are reviewed every two years by a multidisciplinary expert panel. The guideline development and review include an extensive analy ... Full text Link to item Cite

Dual-energy MDCT in hypervascular liver tumors: effect of body size on selection of the optimal monochromatic energy level.

Journal Article AJR Am J Roentgenol · December 2014 OBJECTIVE: The purpose of this article is to investigate the effect of body size on the selection of optimal monochromatic energy level for maximizing the conspicuity of hypervascular liver tumors during late hepatic arterial phase using dual-energy MDCT. ... Full text Link to item Cite

Dual-energy multi-detector row CT with virtual monochromatic imaging for improving patient-to-patient uniformity of aortic enhancement during CT angiography: an in vitro and in vivo study.

Journal Article Radiology · September 2014 PURPOSE: To determine whether virtual monochromatic imaging from a dual-energy acquisition can improve patient-to-patient uniformity of aortic enhancement during multi-detector row computed tomographic (CT) angiography. MATERIALS AND METHODS: This retrospe ... Full text Link to item Cite

Impact of dual-energy multi-detector row CT with virtual monochromatic imaging on renal cyst pseudoenhancement: in vitro and in vivo study.

Journal Article Radiology · September 2014 PURPOSE: To investigate whether dual-energy multi-detector row computed tomography (CT) with virtual monochromatic imaging can overcome renal cyst pseudoenhancement in a phantom experiment and a clinical study. MATERIALS AND METHODS: This retrospective sin ... Full text Link to item Cite

Variability of MDCT dose due to technologist performance: impact of posteroanterior versus anteroposterior localizer image and table height with use of automated tube current modulation.

Journal Article AJR Am J Roentgenol · August 2014 OBJECTIVE: The purpose of this study was to determine MDCT dose variability due to technologist variability in performing CT studies. MATERIALS AND METHODS: Fifty consecutive adult patients who underwent two portal venous phase CT examinations of the abdom ... Full text Link to item Cite

Trends in incidentally identified thyroid cancers over a decade: a retrospective analysis of 2,090 surgical patients.

Journal Article World J Surg · June 2014 BACKGROUND: The aim of this study was to describe trends in the incidence of incidental thyroid cancers and compare their characteristics with clinically presenting cancers. METHODS: We performed a retrospective review of patients with thyroid cancer who u ... Full text Link to item Cite

Venous filling defects on portal venous phase CT of the abdomen and pelvis: clinical implications and positive predictive value for diagnosing deep venous thrombosis.

Journal Article Abdom Imaging · June 2014 PURPOSE: To determine the prevalence, resulting clinical decisions, and the positive predictive value (PPV) of venous filling defects detected on portal venous phase (PVP) CT. METHODS: Over a 3-year period, 42412 consecutive patients underwent a PVP abdomi ... Full text Link to item Cite

Thyroid cancers incidentally detected at imaging in a 10-year period: how many cancers would be missed with use of the recommendations from the Society of Radiologists in Ultrasound?

Journal Article Radiology · June 2014 PURPOSE: To estimate the prevalence of incidental thyroid cancer (ITC) among patients undergoing thyroid surgery and to apply the Society of Radiologists in Ultrasound (SRU) guidelines to ITC. MATERIALS AND METHODS: This HIPAA-compliant study was approved ... Full text Link to item Cite

Optimal timing and diagnostic adequacy of hepatocyte phase imaging with gadoxetate-enhanced liver MRI.

Journal Article Acad Radiol · June 2014 RATIONALE AND OBJECTIVES: To evaluate clinical and imaging features associated with adequacy of the hepatocyte phase (HP) in gadoxetate disodium-enhanced liver magnetic resonance imaging (MRI) in patients without chronic liver disease (CLD). MATERIALS AND ... Full text Link to item Cite

Safety of an intercostal approach for imaging-guided percutaneous drainage of subdiaphragmatic abscesses.

Journal Article AJR Am J Roentgenol · June 2014 OBJECTIVE: The objective of our study was to test the hypothesis that an intercostal approach to imaging-guided percutaneous subdiaphragmatic abscess drainage is as safe as a subcostal approach. MATERIALS AND METHODS: A cohort of 258 consecutive patients w ... Full text Link to item Cite

Current opinions on medical radiation: a survey of oncologists regarding radiation exposure and dose reduction in oncology patients.

Journal Article J Am Coll Radiol · May 2014 PURPOSE: The aim of this study was to evaluate oncologists' opinions about the use of ionizing radiation in medical imaging of oncology patients. METHODS: An electronic survey was e-mailed to 2,725 oncologists at the top 50 National Cancer Institute-funded ... Full text Link to item Cite

State of the art: dual-energy CT of the abdomen.

Journal Article Radiology · May 2014 Recent technologic advances in computed tomography (CT)--enabling the nearly simultaneous acquisition of clinical images using two different x-ray energy spectra--have sparked renewed interest in dual-energy CT. By interrogating the unique characteristics ... Full text Link to item Cite

CT of the retroperitoneum: From conventional to multi-energy imaging

Book · May 1, 2014 This book provides a comprehensive and up-to-date overview of the continuously evolving field of dual-energy CT (DECT). An introductory section presents information on the physical and technical background of DECT and considers nonspecific and specific sof ... Full text Cite

Adrenal glands

Chapter · May 1, 2014 The adrenal glands can develop a myriad of abnormalities, which can be fundamentally differentiated into benign or malignant lesions having either hyperfunction or non-hyperfunction (i.e., non-function) [1, 2]. Functioning lesions typically secrete hormona ... Full text Cite

ACR appropriateness criteria right upper quadrant pain.

Journal Article J Am Coll Radiol · March 2014 Acute right upper quadrant pain is a common presenting symptom in patients with acute cholecystitis. When acute cholecystitis is suspected in patients with right upper quadrant pain, in most clinical scenarios, the initial imaging modality of choice is ult ... Full text Link to item Cite

Applying the Society of Radiologists in Ultrasound recommendations for fine-needle aspiration of thyroid nodules: effect on workup and malignancy detection.

Journal Article AJR Am J Roentgenol · March 2014 OBJECTIVE: The Society of Radiologists in Ultrasound (SRU) recommendations on thyroid nodules are intended to "diagnose thyroid cancers that have reached clinical significance, while avoiding unnecessary tests and surgery in patients with benign nodules." ... Full text Link to item Cite

Dual energy MDCT assessment of renal lesions: an overview.

Journal Article Eur Radiol · February 2014 With the expansion of cross-sectional imaging, the number of renal lesions that are incidentally discovered has increased. Multidetector CT (MDCT) is the investigation of choice for characterising and staging renal lesions. Although a definitive diagnosis ... Full text Link to item Cite

Journal Club: incidental thyroid nodules detected at imaging: can diagnostic workup be reduced by use of the Society of Radiologists in Ultrasound recommendations and the three-tiered system?

Journal Article AJR Am J Roentgenol · January 2014 OBJECTIVE: The purpose of this study was to determine the number of thyroid nodule workups that could be eliminated and the number of malignant tumors that would be missed if the Society of Radiologists in Ultrasound (SRU) recommendations and the three-tie ... Full text Link to item Cite

Imaging-detected incidental thyroid nodules that undergo surgery: a single-center experience over 1 year.

Journal Article AJNR Am J Neuroradiol · 2014 BACKGROUND AND PURPOSE: Incidental thyroid nodules are commonly seen on imaging, and their work-up can ultimately lead to surgery. We describe characteristics and pathology results of imaging-detected incidental thyroid nodules that underwent surgery. MATE ... Full text Link to item Cite

Clinical impact of an adaptive statistical iterative reconstruction algorithm for detection of hypervascular liver tumours using a low tube voltage, high tube current MDCT technique.

Journal Article Eur Radiol · December 2013 OBJECTIVES: To investigate the impact of an adaptive statistical iterative reconstruction (ASiR) algorithm on diagnostic accuracy and confidence for the diagnosis of hypervascular liver tumours, as well as the reader's perception of image quality, using a ... Full text Link to item Cite

Cirrhosis

Chapter · November 1, 2013 Cirrhosis is a pathologic and clinical entity that occurs following repeated hepatocyte damage and is characterized by extensive fibrosis and innumerable regenerative nodules replacing the normal liver parenchyma. Ultimately, the process can lead to liver ... Full text Cite

Pancreas

Chapter · May 1, 2013 Imaging of the pancreas is challenging because of its anatomic location in the retroperitoneum and its intricate relationship with major blood vessels and bowel [1]. In the United States, acute pancreatitis, chronic pancreatitis, and pancreatic cancer are ... Full text Cite

Precision of iodine quantification in hepatic CT: effects of iterative reconstruction with various imaging parameters.

Journal Article AJR Am J Roentgenol · May 2013 OBJECTIVE: The objective of this study was to evaluate the feasibility of using iterative reconstructions in hepatic CT to improve the precision of Hounsfield unit quantification, which is the degree to which repeated measurements under unchanged condition ... Full text Link to item Cite

The utility of micro-CT and MRI in the assessment of longitudinal growth of liver metastases in a preclinical model of colon carcinoma.

Journal Article Acad Radiol · April 2013 RATIONALE AND OBJECTIVES: Liver is a common site for distal metastases in colon and rectal cancer. Numerous clinical studies have analyzed the relative merits of different imaging modalities for detection of liver metastases. Several exciting new therapies ... Full text Link to item Cite

In vivo application of short-lag spatial coherence imaging in human liver.

Journal Article Ultrasound Med Biol · March 2013 We present the results of a patient study conducted to assess the performance of two novel imaging methods, namely short-lag spatial coherence (SLSC) and harmonic spatial coherence imaging (HSCI), in an in vivo liver environment. Similar in appearance to t ... Full text Link to item Cite

Imaging of the pancreas

Chapter · January 1, 2013 Full text Cite

TU‐C‐103‐01: A Framework for 3D Modeling of Anthropomorphic Lesions in CT

Conference Medical Physics · January 1, 2013 Purpose: Realistic three‐dimensional mathematical models of subtle lesions are essential for many CT studies focused on performance evaluation and optimization. The purpose of this work was to develop and apply a generic framework for creating such models ... Full text Cite

Lessons learned from 118,970 multidetector computed tomographic intravenous contrast material administrations: impact of catheter dwell time and gauge, catheter location, rate of contrast material administration, and patient age and sex on volume of extravasate.

Journal Article J Comput Assist Tomogr · 2013 OBJECTIVES: The aim of this study was to determine the impact of catheter dwell time and gauge, catheter location, rate of contrast material administration, and patient age and sex on volume of extravasate at intravenous contrast-enhanced multidetector com ... Full text Link to item Cite

Incidental detection of nutcracker phenomenon on multidetector CT in an asymptomatic population: prevalence and associated findings.

Journal Article J Comput Assist Tomogr · 2013 OBJECTIVE: To determine the prevalence of nutcracker phenomenon (left renal vein compression by the superior mesenteric artery) and secondary anatomic findings using multidetector computed tomographic (CT) angiography in an asymptomatic population. METHODS ... Full text Link to item Cite

Early outcomes of empiric embolization of tumor-related gastrointestinal hemorrhage in patients with advanced malignancy.

Journal Article J Vasc Interv Radiol · November 2012 PURPOSE: To report short-term results of empiric transcatheter embolization for patients with advanced malignancy and gastrointestinal (GI) hemorrhage directly from a tumor invading the GI tract wall. MATERIALS AND METHODS: Between 2005 and 2011, 37 mesent ... Full text Link to item Cite

Dual-energy CT applications in the abdomen.

Journal Article AJR Am J Roentgenol · November 2012 OBJECTIVE: The purpose of this article is to give a brief overview of the technical background of dual-energy CT (DECT) imaging and to review various DECT applications in the abdomen that are currently available for clinical practice. In a review of the re ... Full text Link to item Cite

Assessment of vascular contrast and depiction of stenoses in abdominopelvic and lower extremity vasculature: comparison of dual-energy MDCT with digital subtraction angiography.

Journal Article Acad Radiol · September 2012 RATIONALE AND OBJECTIVES: To assess whether dual-energy computed tomography (DECT) multidetector computed tomography (MDCT) angiography improves vascular contrast beyond MDCT angiography and digital subtraction angiography (DSA) while preserving the abilit ... Full text Link to item Cite

Improved aortic enhancement in CT angiography using slope-based triggering with table speed optimization: a pilot study.

Journal Article Int J Cardiovasc Imaging · August 2012 To assess whether a scan triggering technique based on the slope of the time-attenuation curve combined with table speed optimization may improve arterial enhancement in aortic CT angiography compared to conventional threshold-based triggering techniques. ... Full text Link to item Cite

Radiation dose reduction in abdominal computed tomography during the late hepatic arterial phase using a model-based iterative reconstruction algorithm: how low can we go?

Journal Article Invest Radiol · August 2012 OBJECTIVE: The aim of this study was to compare the image quality of abdominal computed tomography scans in an anthropomorphic phantom acquired at different radiation dose levels where each raw data set is reconstructed with both a standard convolution fil ... Full text Link to item Cite

Contrast enhancement on computed tomography after renal cryoablation: an evidence of treatment failure?

Journal Article J Endourol · April 2012 BACKGROUND AND PURPOSE: Renal cryoablation has gained popularity as a treatment option for localized renal masses. Treatment success is typically defined by the absence of contrast enhancement on follow-up imaging. We investigate the evolution of lesions t ... Full text Link to item Cite

Contrast-enhanced magnetic resonance angiography: first-pass arterial enhancement as a function of gadolinium-chelate concentration, and the saline chaser volume and injection rate.

Journal Article Invest Radiol · February 2012 OBJECTIVE: To evaluate the effect of the contrast medium (CM) concentration and the saline chaser volume and injection rate on first-pass aortic enhancement characteristics in contrast-enhanced magnetic resonance angiography using a physiologic flow phanto ... Full text Link to item Cite