Journal ArticleJ Appl Clin Med Phys · October 9, 2024
PURPOSE: This retrospective analysis was completed to investigate the use of a model-based dose calculation algorithm (MBDCA) AcurosBV, for use in HDR BT treatments for locally advanced cervical cancer treated with tandem and ovoid applicators with interst ...
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Journal ArticleInt J Radiat Oncol Biol Phys · July 15, 2024
PURPOSE: The aim of this work was to report the effect of mismatch repair (MMR) status on outcomes of patients with stage I-II endometrioid endometrial adenocarcinoma (EEC) who receive adjuvant radiation therapy. METHODS AND MATERIALS: This is a multi-inst ...
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Journal ArticleLancet Oncol · June 2024
BACKGROUND: The health-care industry is a substantial contributor to global greenhouse gas emissions, yet the specific environmental impact of radiotherapy, a cornerstone of cancer treatment, remains under-explored. We aimed to quantify the emissions assoc ...
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Journal ArticleInt J Radiat Oncol Biol Phys · April 1, 2024
Combinatorial therapies consisting of radiation therapy (RT) with systemic therapies, particularly chemotherapy and targeted therapies, have moved the needle to augment disease control across nearly all disease sites for locally advanced disease. Evaluatin ...
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Journal ArticleJ Natl Compr Canc Netw · March 2024
Vulvar cancer is annually diagnosed in an estimated 6,470 individuals and the vast majority are histologically squamous cell carcinomas. Vulvar cancer accounts for 5% to 8% of gynecologic malignancies. Known risk factors for vulvar cancer include increasin ...
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Journal ArticleJ Natl Compr Canc Netw · December 2023
The NCCN Guidelines for Cervical Cancer provide recommendations for all aspects of management for cervical cancer, including the diagnostic workup, staging, pathology, and treatment. The guidelines also include details on histopathologic classification of ...
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Journal ArticleJ Appl Clin Med Phys · October 2023
PURPOSE: To design, manufacture, and validate a female pelvic phantom for multi-modality imaging (CT, MRI, US) to benchmark a commercial needle tracking system with application in HDR gynecological (GYN) interstitial procedures. MATERIALS AND METHODS: A GY ...
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Journal ArticleJ Cancer Surviv · April 2023
BACKGROUND: Patients with cancer are at an increased suicide risk, and socioeconomic deprivation may further exacerbate that risk. The Affordable Care Act (ACA) expanded insurance coverage options for low-income individuals and mandated coverage of mental ...
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Journal ArticleJCO Oncol Pract · April 2023
PURPOSE: The uninsured rate began rising after 2016, which some have attributed to health policies undermining aspects of the Affordable Care Act. Our primary objectives were to assess the changes in insurance coverage and forgoing medical care because of ...
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Other · March 31, 2023
<div>Abstract<p>A percentage of long-term cancer survivors who receive pelvic irradiation will develop treatment-related late effects, collectively termed pelvic radiation disease. Thus, there is a need to prevent or ameliorate treatmen ...
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Other · March 31, 2023
<div>Abstract<p>A percentage of long-term cancer survivors who receive pelvic irradiation will develop treatment-related late effects, collectively termed pelvic radiation disease. Thus, there is a need to prevent or ameliorate treatmen ...
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Journal ArticleAm J Clin Oncol · March 1, 2023
OBJECTIVE: To report the impact of race on clinical outcomes in patients with stage IIIC endometrial carcinoma. MATERIALS AND METHODS: A retrospective multi-institutional study included 90 black and 568 non-black patients with stage IIIC endometrial carcin ...
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Journal ArticleJ Natl Compr Canc Netw · February 2023
Adenocarcinoma of the endometrium (also known as endometrial cancer, or more broadly as uterine cancer or carcinoma of the uterine corpus) is the most common malignancy of the female genital tract in the United States. It is estimated that 65,950 new uteri ...
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Journal ArticleBrachytherapy · 2023
PURPOSE: For medically inoperable endometrial cancer (MIEC), the volumetric target of image-guided brachytherapy (IGBT) techniques is not well established. We propose a high-risk CTV (HRCTV) concept and report associated rates of local control and toxicity ...
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Journal ArticleAdv Radiat Oncol · 2023
PURPOSE: Climate change is one of the direst health threats that humanity faces. We aim to estimate the carbon dioxide (CO2) emissions associated with the energy usage from linear accelerator (LINAC)-based external beam radiation therapy (EBRT) for the mos ...
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Journal ArticleAdv Radiat Oncol · 2023
PURPOSE: In this prospective trial, we aim to determine whether fluorodeoxyglucose positron emission tomography and computed tomography (PET/CT)-based adaptive radiation therapy (ART) improves dosimetry outcomes for patients treated with definitive radiati ...
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Journal ArticleBrachytherapy · 2023
PURPOSE: The global cervical cancer burden is disproportionately high in low- and middle-income countries (LMICs), and outcomes can be governed by the accessibility of appropriate screening and treatment. High-dose-rate (HDR) brachytherapy plays a central ...
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Journal ArticleSupport Care Cancer · August 2022
PURPOSE: Patients with primary or metastatic brain tumors often require intensive end-of-life care, for which place of death may serve as a quality metric. Death at home or hospice is considered a more "ideal" location. Comprehensive information on place o ...
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Journal ArticleExpert Rev Anticancer Ther · April 2022
INTRODUCTION: Brachytherapy is an essential component of the cervical cancer treatment paradigm as it contributes to improved clinical outcomes and overall survival. Yet brachytherapy remains globally underutilized, with disparities in access at both natio ...
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Journal ArticleAmerican journal of obstetrics and gynecology · March 2022
BackgroundIn recent years, there has been growing recognition of the financial burden of severe illness, including associations with higher rates of nonemployment, uninsurance, and catastrophic out-of-pocket health spending. Patients with gynecolo ...
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Journal ArticleInt J Gynecol Cancer · March 2022
Stereotactic body radiotherapy (SBRT, also referred to as stereotactic ablative radiotherapy (SABR)) has been used in the treatment of primary and metastatic solid tumors, and increasingly so in gynecologic oncology. This review article aims to summarize t ...
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Journal ArticlePract Radiat Oncol · 2022
PURPOSE: To evaluate the impact of prophylactic paraortic lymph node (PALN) radiation therapy (RT) on clinical outcomes in patients with International Federation of Obstetrics and Gynecology 2018 stage IIIC1 endometrial cancer (EC). METHODS AND MATERIALS: ...
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ConferenceInternational journal of radiation oncology, biology, physics · November 2021
Purpose/objective(s)In 2010, the Affordable Care Act (ACA) was enacted, which allowed for increased access to health insurance in the US. Since then, there was a decrease in uninsured patients including those with cancer receiving radiation therap ...
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ConferenceInternational journal of radiation oncology, biology, physics · November 2021
Purpose/objective(s)Given increasing emphasis on end of life quality metrics including respecting patient values and dying with dignity in a patient's choice location, the number of patients with cancer who die in hospice instead of an inpatient f ...
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Journal ArticleJAMA Netw Open · September 1, 2021
IMPORTANCE: Health insurance coverage is dynamic in the United States, potentially changing from month to month. The Patient Protection and Affordable Care Act (ACA) aimed to stabilize markets and reduce financial burden, particularly among those with pree ...
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Journal ArticleInt J Radiat Oncol Biol Phys · August 1, 2021
PURPOSE: Our purpose was to evaluate the effect of sequence and type of adjuvant therapy for patients with stage IIIC endometrial carcinoma (EC) on outcomes. METHODS AND MATERIALS: In a multi-institutional retrospective cohort study, patients with stage II ...
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Journal ArticleHealth Aff (Millwood) · August 2021
An important function of health insurance is protecting enrollees from excessively burdensome charges for unanticipated medical events. Unexpected surgery can be financially catastrophic for uninsured people. By targeting the low-income uninsured populatio ...
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Journal ArticleJ Natl Compr Canc Netw · August 1, 2021
The NCCN Guidelines for Uterine Neoplasms provide recommendations for diagnostic workup, clinical staging, and treatment options for patients with endometrial cancer or uterine sarcoma. These NCCN Guidelines Insights focus on the recent addition of molecul ...
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Journal ArticlePhys Med Biol · January 29, 2021
To investigate the feasibility of the log-demons deformable image registration (DIR) method to correct eddy current and field inhomogeneity distortions while preserving diffusion tensor information. Diffusion-weighted images (DWIs) are susceptible to disto ...
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Journal ArticleJ Psychosoc Oncol · 2021
OBJECTIVES: People living with HIV (PLWH) have increased risk for cancer and worse cancer-specific survival. We explored the emotional burden of cancer and HIV as a potential driver of cancer mortality. RESEARCH APPROACH: Semi-structured qualitative interv ...
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Journal ArticleAdv Radiat Oncol · 2021
PURPOSE: To examine the effectiveness and safety of single-isocenter multitarget stereotactic radiosurgery using a volume-adapted dosing strategy in patients with 4 to 10 brain metastases. METHODS AND MATERIALS: Adult patients with 4 to 10 brain metastases ...
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Journal ArticleClin Cancer Res · July 1, 2020
A percentage of long-term cancer survivors who receive pelvic irradiation will develop treatment-related late effects, collectively termed pelvic radiation disease. Thus, there is a need to prevent or ameliorate treatment-related late effects in these pati ...
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Journal ArticleJAMA Oncol · July 1, 2020
This study analyzes the incidence of opioid-associated deaths in cancer survivors vs the general population in the US from 2006 through 2016 using National Center for Health Statistics death certificate data. ...
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Journal ArticleOral Oncol · March 2020
OBJECTIVE: Evaluate trends in place of death for patients with head and neck cancers (HNC) in the U.S. from 1999 to 2017 based on the CDC WONDER (Wide-ranging Online Data for Epidemiologic Research) database. MATERIALS/METHODS: Using patient-level data fro ...
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Journal ArticleCancer · February 1, 2020
BACKGROUND: To the authors' knowledge, little is known regarding the impact of the Patient Protection and Affordable Care Act (ACA) on people living with HIV and cancer (PLWHC), who have lower cancer treatment rates and worse cancer outcomes. To investigat ...
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Journal ArticleGynecol Oncol · January 2020
OBJECTIVE: Adjuvant management of women with high-intermediate- and high-risk early-stage endometrial cancer remains controversial. Recently published results of GOG 249 revealed that vaginal brachytherapy plus chemotherapy (VBT + CT) was not superior to w ...
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Journal ArticleInt J Gynecol Cancer · January 2020
INTRODUCTION: Vulvar squamous cell carcinoma develops through two separate pathways, associated with the presence or absence of high-risk human papilloma virus (HPV). The objective of this study was to evaluate treatment response and clinical outcomes in w ...
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Journal ArticleBrachytherapy · 2020
PURPOSE: The purpose of this study was to highlight the importance of timely brachytherapy treatment for patients with gynecologic, breast, and prostate malignancies, and provide a framework for brachytherapy clinical practice and management in response to ...
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Journal ArticlePract Radiat Oncol · 2020
PURPOSE: This guideline reviews the evidence and provides recommendations for the indications and appropriate techniques of radiation therapy (RT) in the treatment of nonmetastatic cervical cancer. METHODS: The American Society for Radiation Oncology conve ...
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Journal ArticleBrachytherapy · 2020
PURPOSE: As the utilization of brachytherapy procedures continues to decline in clinics, a need for accessible training tools is required to help bridge the gap between resident comfort in brachytherapy training and clinical practice. To improve the qualit ...
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Journal ArticleHealth Equity · 2020
Purpose: People living with HIV are less likely to receive cancer treatment and have worse cancer-specific survival, yet underlying drivers of this disparity have minimally been explored. We investigated cancer care barriers from the perspective of patient ...
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Journal ArticleInt J Radiat Oncol Biol Phys · October 1, 2019
PURPOSE: To assess whether radiographic and metabolic changes on midchemoradiation therapy (CRT) fluorodeoxyglucose positron emission tomography and computed tomography (FDG-PET/CT) for cervical cancer predict outcome. METHODS AND MATERIALS: Women with Int ...
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Journal ArticleGynecol Oncol · October 2019
OBJECTIVE: To evaluate associations between US region of residence and urbanization and the place of death among women with gynecologic malignancies in the United States. METHODS: A retrospective cross-sectional study was performed using publicly available ...
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Journal ArticleInt J Radiat Oncol Biol Phys · September 1, 2019
PURPOSE: To evaluate the feasibility of reducing the dose of consolidation radiation therapy (RT) in diffuse large B-cell lymphoma. METHODS AND MATERIALS: This phase 2 study enrolled patients with diffuse large B-cell lymphoma, not otherwise specified and ...
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Journal ArticleGynecol Oncol · September 2019
OBJECTIVES: The Medicare Provider Utilization and Payment Data: Physician and Other Supplier Public Use File (POSPUF) and Medicare Physician and Other Supplier National Provider Identifier (POS NPI) Aggregate Report are publicly available files from the Ce ...
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ConferenceJournal of Clinical Oncology · May 20, 2019
e17127 Background: Risk factors for the development of gynecological cancers are known to vary; however, the effect on mortality is uncertain. Methods: Using CDC Wonder Database, death certificate data, all women who died of canc ...
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Journal ArticleJCO Clin Cancer Inform · May 2019
PURPOSE: The aim of the current work was to quantify internally inconsistent and anomalous radiation therapy (RT) data in the National Cancer Database (NCDB) and determine their association with overall survival (OS) using node-positive uterine cancer as a ...
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Journal ArticleBlood Adv · February 12, 2019
Patients with hematologic malignancies (HMs) often receive aggressive end-of-life care and less frequently use hospice. Comprehensive longitudinal reporting on place of death, a key quality indicator, is lacking. Deidentified death certificate data were ob ...
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Journal ArticleBrachytherapy · 2019
PURPOSE: The Patient Protection and Affordable Care Act called for expansion of Medicaid in 2014. As some states elected to expand Medicaid and others did not, the goal of this study was to determine the effect of Medicaid expansion on the insurance status ...
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Journal ArticleCancer · November 15, 2018
BACKGROUND: Place of death is an essential component of high quality cancer care and comprehensive national trends and disparities in place of death are unknown. METHODS: Deidentified death certificate data were obtained via the National Center for Health ...
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Journal ArticleLung Cancer · November 2018
PURPOSE: To compare sublobar resection and stereotactic body radiation therapy (SBRT) in patients with stage I non-small cell lung cancer (NSCLC). METHODS: Patients undergoing sublobar resection or SBRT for stage I NSCLC from 2007 to 2014 at Duke Universit ...
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ConferenceJournal of Clinical Oncology · October 20, 2018
230 Background: Over 40,000 Americans died due to opioid overdose in 2016; the epidemic is a top public health concern. Opioids are commonly used for cancer associated pain but it is unknown what risks for overdose exist in this ...
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ConferenceInt J Radiat Oncol Biol Phys · May 1, 2018
PURPOSE: To compare insurance status in cancer patients receiving radiation before and after Medicaid expansion under the Patient Protection and Affordable Care Act (ACA), in both expanded and non-expanded states. METHODS AND MATERIALS: Newly diagnosed can ...
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Journal ArticleAnticancer Res · May 2018
BACKGROUND/AIM: Optimizing treatment of early-stage Hodgkin lymphoma (HL) requires balancing cure with potential acute and late toxicities from treatment. We reviewed our institutional experience with chemotherapy alone (ChT) versus combined modality thera ...
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ConferenceJournal of Clinical Oncology · March 1, 2018
92 Background: Cancer survivors have high rates of sedentary behavior leading to obesity and cardiovascular disease. Physical activity improves quality of life (QOL) and reduces morbidity and mortality. However, cancer survivors ...
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Journal ArticleClin Lymphoma Myeloma Leuk · February 2018
INTRODUCTION: The purpose of this study was to evaluate the role of consolidation radiation therapy (RT) in advanced Hodgkin lymphoma (HL) in the setting of a complete metabolic response (CR) to chemotherapy (ChT). PATIENTS AND METHODS: Patients with stage ...
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Journal ArticleInt J Radiat Oncol Biol Phys · February 1, 2018
PURPOSE: To compare, using a cost-effectiveness analysis, the quality-adjusted life expectancy (QALE) and cost between the 2 treatment options for intermediate- to high-risk prostate cancer: (1) radiation (RT) with androgen deprivation therapy (ADT) or (2) ...
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Journal ArticleJ Oncol Pract · February 2018
PURPOSE: The Affordable Care Act (ACA) aimed to increase insurance coverage through key provisions such as expansion of Medicaid eligibility and enforcement of an individual mandate. The objective of this study is to examine the impact of the ACA on insura ...
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Journal ArticleBrachytherapy · 2018
PURPOSE: Brachytherapy is an important component of the treatment of gynecologic and prostate cancers, with data supporting its impact on clinical outcomes. Prior data have suggested that brachytherapy tends to be focused at high-volume centers. Medicare r ...
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Journal ArticleBrachytherapy · 2018
PURPOSE: A nanoscintillator-based fiber-optic dosimeter (nanoFOD) was developed to measure real-time dose rate during high-dose-rate (HDR) brachytherapy. A trial was designed to prospectively test clinical feasibility in gynecologic implants. METHODS AND M ...
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Journal ArticleJCO Clin Cancer Inform · November 2017
PURPOSE: Prior studies have demonstrated the importance of treatment duration (TD) in radiation therapy (RT) for cervical cancer, with an 8-week goal based primarily on RT alone. This study uses a contemporary cohort to estimate the time point by which com ...
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Journal ArticleAnn Surg Oncol · October 2017
BACKGROUND: The appropriate management of breast cancer risk in BRCA mutation carriers following ovarian cancer diagnosis remains unclear. We sought to determine the survival benefit and cost effectiveness of risk-reducing mastectomy (RRM) among women with ...
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Journal ArticleGynecol Oncol · September 2017
OBJECTIVE: The Patient Protection and Affordable Care Act (ACA) included provisions to expand insurance coverage by expanding Medicaid eligibility, providing subsidies of private coverage and enforcing an individual mandate. The objective of this study is ...
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Journal ArticleClin Lung Cancer · July 2017
INTRODUCTION: The patterns of failure after resection of non-small-cell lung cancer (NSCLC) invading the chest wall are not well documented, and the role of adjuvant radiation therapy (RT) is unclear, prompting the present analysis. MATERIALS AND METHODS: ...
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Journal ArticleGynecol Oncol · June 2017
OBJECTIVE: To estimate the survival benefit and cost-effectiveness of performing hysterectomy during risk-reducing salpingo-oophorectomy (RRSO) for BRCA1 mutation carriers. METHODS: Based on a recent prospective cohort study indicating an elevated incidenc ...
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Journal ArticleInt J Gynecol Cancer · May 2017
OBJECTIVES: The objective of this study was to evaluate patterns of care and the survival impact of primary radiation and preoperative radiation therapy with surgery in women with locally advanced vulvar cancer using a large national cohort. METHODS AND MA ...
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Journal ArticleInt J Gynecol Cancer · May 2017
OBJECTIVE: The aim of the study was to assess interaction of lymph node dissection (LND), adjuvant chemotherapy (CT), and radiotherapy (RT) in stage I uterine papillary serous carcinoma (UPSC) and uterine clear cell carcinoma (UCC). METHODS/MATERIALS: The ...
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Journal ArticleSemin Radiat Oncol · April 2017
Gynecologic carcinomas, including cervical cancer, present a significant burden on low- and middle-income countries (LMICs). Brachytherapy plays an integral role in the treatment of gynecologic carcinomas, as it is essential for both curative and palliativ ...
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Journal ArticleGynecol Oncol Res Pract · 2017
BACKGROUND: The National Comprehensive Cancer Network (NCCN) and the Society of Gynecologic Oncology (SGO) recommend lymph node sampling (LNS) as a key component in the surgical staging of high-grade endometrial cancer. Our goal was to examine surgical sta ...
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Journal ArticleGynecol Oncol · November 2016
OBJECTIVE: To determine the effect of age on completion of and toxicities following treatment of local regionally advanced cervical cancer (LACC) on Gynecologic Oncology Group (GOG) Phase I-III trials. METHODS: An ancillary data analysis of GOG protocols 1 ...
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Journal ArticleInt J Gynecol Cancer · November 2016
OBJECTIVES: This study aimed to evaluate clinical outcomes after chemoradiation (CRT) for the definitive (nonsurgical) treatment of vulvar cancer. MATERIALS AND METHODS: Women with vulvar cancer treated with definitive CRT at a single academic institution ...
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Journal ArticleObstet Gynecol · October 2016
OBJECTIVE: To estimate the cost-effectiveness of the levonorgestrel intrauterine device (IUD) as an endometrial cancer prevention strategy in obese women. METHODS: A modified Markov model was used to compare IUD placement at age 50 with usual care among wo ...
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Journal ArticleMed Phys · June 2016
PURPOSE: Development of a novel on-line dosimetry tool is needed to move toward patient-specific quality assurance measurements for Ir-192 HDR brachytherapy to verify accurate dose delivery to the intended location. This work describes the development and ...
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Journal ArticleInt J Radiat Oncol Biol Phys · April 1, 2016
PURPOSE: To calculate vaginal doses during image guided brachytherapy with volume-based metrics and correlate with long-term vaginal toxicity. METHODS AND MATERIALS: In this institutional review board-approved study, institutional databases were searched t ...
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Journal ArticlePract Radiat Oncol · 2016
PURPOSE: To evaluate the feasibility of adaptive planning using positron emission tomography-computed tomography (PET-CT) in locally advanced non-small cell lung cancer. METHODS AND MATERIALS: Patients with locally advanced non-small cell lung cancer recei ...
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ConferenceAdv Radiat Oncol · 2016
PURPOSE: To summarize the results of American Society for Radiation Oncology (ASTRO)'s analysis of appropriate delivery of postoperative radiation therapy (RT) for endometrial cancer using the RAND/University of California, Los Angeles (UCLA) Appropriatene ...
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Journal ArticleGynecol Oncol · September 2015
OBJECTIVE: To estimate the cost-effectiveness and utility of a strategy of offering weight loss surgery (WLS) to women with low risk stage I endometrial cancer (EC) and BMI≥40kg/m(2). METHODS: A modified Markov state transition model was designed to compar ...
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Journal ArticleSkeletal Radiol · March 2015
Radiation recall is an uncommon phenomenon in which administration of a chemotherapeutic agent induces an acute inflammatory reaction in previously irradiated tissues, often weeks to years after completion of radiotherapy. This entity is well known to medi ...
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Journal ArticleCancer · February 15, 2015
BACKGROUND: Tobacco use is the most important risk factor for the development of lung cancer. The objective of the current study was to determine the effect of smoking on the development of second primary lung cancers (SPLCs) and other clinical outcomes af ...
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Journal ArticleGynecol Oncol · November 2014
OBJECTIVE: To evaluate the safety of dose escalated radiotherapy using a simultaneous integrated boost technique in patients with locally advanced gynecological malignancies. METHODS: Thirty-nine women with locally advanced gynecological malignancies were ...
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Journal ArticlePhys Med Biol · July 21, 2014
Determining accurate in vivo dosimetry in brachytherapy treatment with high dose gradients is challenging. Here we introduce, investigate, and characterize a novel in vivo dosimeter and readout technique with the potential to address this problem. A cylind ...
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Journal ArticleBrachytherapy · 2014
PURPOSE: To assess the effect of body mass index (BMI) on dose to organs at risk (OARs) during high-dose-rate vaginal brachytherapy and evaluate the role of three-dimensional dose evaluation during treatment planning. METHODS AND MATERIALS: Three-dimension ...
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Journal ArticleGynecol Oncol · October 2013
OBJECTIVE: This study aimed to assess the value of a randomized controlled trial (RCT) of lymph node dissection (LND) at the time of hysterectomy for high-risk subsets of women with endometrial cancer. METHODS: A modified Markov decision model compared rou ...
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Journal ArticleJ Thorac Cardiovasc Surg · October 2013
OBJECTIVE: To define subgroups at high risk of local recurrence (LR) after surgery for non-small cell lung cancer using a recursive partitioning analysis (RPA). METHODS: This Institutional Review Board-approved study included patients who underwent upfront ...
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Journal ArticleJ Thorac Cardiovasc Surg · October 2013
OBJECTIVE: Many patients with non-small cell lung cancer have positive mediastinal lymph nodes on preoperative positron emission tomography (PET) but do not have mediastinal involvement after surgery. The prognostic significance of this discordance was ass ...
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Journal ArticleRadiol Clin North Am · September 2013
Treatment planning and delivery of radiation therapy has benefited from new technology and techniques. Given the convergence of the improved ability to image active tumor and the delivery of radiation to very specific targets, the implications for a tighte ...
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Journal ArticleSurg Oncol Clin N Am · July 2013
Brachytherapy is a fundamental component of the definitive treatment of many advanced gynecologic malignancies, most notably cancers of the uterine corpus and cervix, and allows high radiation doses to be delivered to the target while minimizing the normal ...
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Chapter · June 5, 2013
Inside the Sixth Edition of this now-classic reference, you will discover encyclopedic coverage of topics ranging from basic science to sophisticated computer-based radiation therapy treatment planning and supportive care. ...
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Journal ArticleMed Phys · June 2013
PURPOSE: To evaluate the feasibility of a novel radiochromic dosimetry system for in-vivo dose verification in organs at risk in HDR intracavitary gynecological brachytherapy. METHODS: Novel, small cylindrical PRESAGE dosimeters (4mm in diameter by 20mm in ...
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Journal ArticleMed Phys · June 2013
Image-guidance plays an important role in modern radiation therapy, predominantly in external beam planning and delivery. In recent years, with the advent of high/pulsed dose rate afterloading technology, advanced treatment planning systems, and CT and MRI ...
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Journal ArticleThorac Cancer · May 2013
BACKGROUND: To evaluate the effect of diabetes mellitus (DM) on clinical outcomes in patients managed surgically for non-small cell lung cancer (NSCLC). METHODS: Patients who underwent surgery for pathological I-IIIA NSCLC at Duke University from 1995-2005 ...
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Journal ArticleRadiat Oncol · January 4, 2013
BACKGROUND: To examine toxicity and outcomes for patients treated with preoperative chemoradiotherapy (CRT) for gastric cancer. METHODS: Patients with gastroesophageal (GE) junction (Siewert type II and III) or gastric adenocarcinoma who underwent neoadjuv ...
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Journal ArticleMedical Physics · January 1, 2013
Purpose: 1) To explore the feasibility of volumetric dose summation between external beam radiation (EBRT) and high dose rate (HDR) brachytherapy treatments for cervical cancer, and 2) to investigate the differences between two deformable registration plat ...
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Journal ArticleGynecol Oncol · November 2012
OBJECTIVE: A recent phase III trial reported gemcitabine with cisplatin chemoradiation followed by 2 cycles of gemcitabine and cisplatin (G) significantly improved progression-free (PFS) and overall survival (OS) compared to standard cisplatin chemoradiati ...
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Journal ArticleMed Phys · July 2012
PURPOSE: To determine the geometric and dose attenuation characteristics of a new commercially available CT-compatible LDR tandem and ovoid (T&O) applicator using Monte Carlo calculation and 3D dosimetry. METHODS: For geometric characterization, we quantif ...
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Journal ArticleGynecol Oncol · July 2012
OBJECTIVES: We sought to evaluate the effect of systematic lymphadenectomy (LND) on endometrial cancer-specific survival in an elderly population. METHODS: Data were obtained from the Surveillance, Epidemiology, and End Results (SEER) program from 1988 to ...
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Journal ArticleJ Thorac Oncol · July 2012
BACKGROUND: Lymphovascular space invasion (LVI) is an established negative prognostic factor and an indication for postoperative radiation therapy in many malignancies. The purpose of this study was to evaluate LVI in patients with early-stage non-small-ce ...
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Journal ArticleMed Phys · June 2012
PURPOSE: To determine the characteristics of a new commercially available CT-compatible LDR Tandem and Ovoid (T&O) applicator using 3D dosimetry. METHODS: We characterized source attenuation through the asymmetric gold shielding in the buckets by measuring ...
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Journal ArticleInt J Radiat Oncol Biol Phys · June 1, 2012
PURPOSE: To evaluate actuarial rates of local failure in patients with pathologic N1 non-small-cell lung cancer and to identify clinical and pathologic factors associated with an increased risk of local failure after resection. METHODS AND MATERIALS: All p ...
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Journal ArticleInt J Radiat Oncol Biol Phys · April 1, 2012
BACKGROUND: The appropriate uses of lymph node dissection (LND) and adjuvant radiation therapy (RT) for Stage I endometrial cancer are controversial. We explored the impact of specific RT modalities (whole pelvic RT [WPRT], vaginal brachytherapy [VB]) and ...
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Journal ArticleAnn Surg Oncol · April 2012
BACKGROUND: Management and outcomes of patients with invasive intraductal papillary mucinous neoplasm (IPMN) of the pancreas are not well established. We investigated whether adjuvant radiotherapy (RT) improved cancer-specific survival (CSS) and overall su ...
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Journal ArticleInt J Radiat Oncol Biol Phys · February 1, 2012
PURPOSE: To evaluate the prognostic significance of different descriptive parameters in head-and-neck cancer patients undergoing pretreatment [F-18] fluoro-D-glucose-positron emission tomography (FDG-PET) imaging. PATIENTS AND METHODS: Head-and-neck cancer ...
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Journal ArticleGynecol Oncol · January 2012
OBJECTIVE: To determine the outcomes associated with primary radiation therapy for medically inoperable, clinical stage I and II, endometrial adenocarcinoma (EAC). METHODS: A multi-institution, retrospective chart review from January 1997 to January 2009 w ...
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Journal ArticleInt J Radiat Oncol Biol Phys · November 1, 2011
PURPOSE: To assess factors associated with severe pulmonary toxicity after myeloablative conditioning using total body irradiation (TBI) followed by allogeneic stem cell transplantation. METHODS AND MATERIALS: A total of 101 adult patients who underwent TB ...
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Journal ArticleJ Thorac Cardiovasc Surg · November 2011
OBJECTIVES: Patients achieving a mediastinal pathologic complete response with neoadjuvant chemotherapy have improved outcomes compared with patients with persistent N2 disease. How to best manage this latter group of patients is unknown, prompting a revie ...
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Journal ArticleInt J Radiat Oncol Biol Phys · November 1, 2011
PURPOSE: Extrahepatic cholangiocarcinoma is an uncommon but lethal malignancy. We analyzed the role of definitive chemoradiotherapy for patients with nonmetastatic, locally advanced extrahepatic cholangiocarcinoma treated at a single institution. METHODS A ...
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Journal ArticleJ Am Coll Radiol · May 2011
PURPOSE: Radiation oncologists require a thorough understanding of anatomy, but gross anatomy is not part of the standard residency curriculum. "Oncoanatomy" is an educational program for radiation oncology residents at Duke University that integrates cada ...
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Journal ArticleJ Thorac Oncol · April 2011
INTRODUCTION: To evaluate how well the tumor, node, metastasis (TNM) 6 and TNM 7 staging systems predict rates of local/regional recurrence (LRR) after surgery alone for non-small cell lung cancer. METHODS: All patients who underwent surgery for non-small ...
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Journal ArticleInt J Radiat Oncol Biol Phys · March 1, 2011
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PURPOSE: Anatomic considerations are often critical in multidisciplinary cancer care. We developed an anatomy-focused educational program for radiation oncology residents integrating cadaver dissection into the didactic review of diagnostic, surgical, radi ...
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Journal ArticleJournal of Clinical Oncology · February 1, 2011
99 Background: To examine acute toxicity and outcomes for patients treated with preoperative chemoradiotherapy (CRT) for gastric cancer. Methods: Patients with gastroesophageal (GE) junction (Siewert type II and ...
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Journal ArticleJ Clin Oncol · February 2011
99 Background: To examine acute toxicity and outcomes for patients treated with preoperative chemoradiotherapy (CRT) for gastric cancer. METHODS: Patients with gastroesophageal (GE) junction (Siewert type II and III) or stomach adenocarcinoma who underwent ...
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Journal ArticleAnn Oncol · February 2011
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BACKGROUND: 2-[fluorine-18]fluoro-2-deoxy-D-glucose-positron emission tomography (PET) and gallium-67 citrate (gallium) response after chemotherapy are powerful prognostic factors in diffuse large B-cell lymphoma (DLBCL). However, clinical outcomes when co ...
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Journal ArticleCancer · February 1, 2011
BACKGROUND: Pathologic and genetic data suggest that epithelial ovarian cancer may consist of indolent and aggressive phenotypes. The objective of the current study was to estimate the impact of a 2-phenotype paradigm of epithelial ovarian cancer on the mo ...
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Journal ArticleCancer · November 1, 2010
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BACKGROUND: The risk of developing brain metastases after definitive treatment of locally advanced nonsmall cell lung cancer (NSCLC) is approximately 30%-50%. The risk for patients with early stage disease is less defined. The authors sought to investigate ...
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Journal ArticleInt J Radiat Oncol Biol Phys · May 1, 2010
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PURPOSE: To assess the correlation of postimplant dosimetric quantifiers with biochemical control of prostate cancer after low-dose rate brachytherapy. METHODS AND MATERIALS: The biologically effective dose (BED), dose in Gray (Gy) to 90% of prostate (D(90 ...
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Journal ArticleInt J Radiat Oncol Biol Phys · December 1, 2009
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PURPOSE: To compare preoperative chemotherapy (ChT) and preoperative chemoradiotherapy (ChT-RT) in operable Stage III non-small-cell lung cancer. METHODS AND MATERIALS: This retrospective study analyzed all patients with pathologically confirmed Stage III ...
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Journal ArticleBJU Int · November 2009
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OBJECTIVE: To compare open radical prostatectomy (RP) and robot-assisted laparoscopic prostatectomy (RALP), and to determine whether RALP is associated with a higher risk of features that determine recommendations for postoperative radiation therapy (RT). ...
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Journal ArticleAm J Clin Oncol · June 2009
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OBJECTIVES: Paragangliomas are rare neuroendocrine neoplasms of the head and neck. Treatment strategies include resection, definitive external beam radiation therapy (EBRT), stereotactic radiosurgery (SRS), or observation alone. Due to their rarity and ind ...
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Journal ArticleBrachytherapy · 2009
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PURPOSE: Dose escalation has been shown beneficial in prostate cancer. Brachytherapy (BT) provides an opportunity for dose escalation beyond what can be safely delivered using only teletherapy methods. The purpose of this study was to determine cancer cont ...
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Journal ArticleInt J Radiat Oncol Biol Phys · March 1, 2008
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INTRODUCTION: Prone positioning has been suggested as an alternative to the conventional supine position for patients receiving breast radiotherapy, but few data exist on how this may alter heart location. We herein quantitatively compare the intrathoracic ...
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Journal ArticleInt J Radiat Oncol Biol Phys · December 1, 2007
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PURPOSE: To report patterns of disease recurrence after resection of adenocarcinoma of the duodenum and compare outcomes between patients undergoing surgery only vs. surgery with concurrent chemotherapy and radiation therapy (CT-RT). METHODS AND MATERIALS: ...
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Journal ArticleInt J Radiat Oncol Biol Phys · November 1, 2007
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PURPOSE: To compare a neoadjuvant regimen of cisplatin/5-fluorouracil (5-FU) and concurrent radiation therapy (RT) with paclitaxel-based regimens and RT in the management of operable esophageal (EC)/gastroesophageal junction (GEJ) cancer. METHODS AND MATER ...
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ConferenceMed Dosim
The aim of this study was to quantitatively compare dosimetric criteria between intensity-modulated radiation therapy (IMRT) and volumetric-modulated arc therapy (VMAT) plans for patients undergoing radiation treatment of gynecologic carcinoma with a simul ...
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