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Radiation-oncology

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https://www.readbyqxmd.com/read/28433591/-artificial-intelligence-applied-to-radiation-oncology
#1
J-E Bibault, A Burgun, P Giraud
Performing randomised comparative clinical trials in radiation oncology remains a challenge when new treatment modalities become available. One of the most recent examples is the lack of phase III trials demonstrating the superiority of intensity-modulated radiation therapy in most of its current indications. A new paradigm is developing that consists in the mining of large databases to answer clinical or translational issues. Beyond national databases (such as SEER or NCDB), that often lack the necessary level of details on the population studied or the treatments performed, electronic health records can be used to create detailed phenotypic profiles of any patients...
April 19, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28433523/association-of-preresidency-peer-reviewed-publications-with-radiation-oncology-resident-choice-of-academic-versus-private-practice-career
#2
Shearwood McClelland, Charles R Thomas, Lynn D Wilson, Emma B Holliday, Jerry J Jaboin
INTRODUCTION: The decision of radiation oncology residents to pursue academic versus private practice careers plays a central role in shaping the present and future of the field, but factors that are potentially predictive of this decision are lacking. This study was performed to examine the role of several factors publicly available before residency on postresidency career choice, including preresidency peer-reviewed publications (PRPs), which have been associated with resident career choice in comparably competitive subspecialties such as neurosurgery...
April 5, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28428019/radiation-therapy-for-oropharyngeal-squamous-cell-carcinoma-executive-summary-of-an-astro-evidence-based-clinical-practice-guideline
#3
David J Sher, David J Adelstein, Gopal K Bajaj, David M Brizel, Ezra E W Cohen, Aditya Halthore, Louis B Harrison, Charles Lu, Benjamin J Moeller, Harry Quon, James W Rocco, Erich M Sturgis, Roy B Tishler, Andy Trotti, John Waldron, Avraham Eisbruch
PURPOSE: To present evidence-based guidelines for the treatment of oropharyngeal squamous cell carcinoma (OPSCC) with definitive or adjuvant radiation therapy (RT). METHODS AND MATERIALS: The American Society for Radiation Oncology convened the OPSCC Guideline Panel to perform a systematic literature review investigating the following key questions: (1) When is it appropriate to add systemic therapy to definitive RT in the treatment of OPSCC? (2) When is it appropriate to deliver postoperative RT with and without systemic therapy following primary surgery for OPSCC? (3) When is it appropriate to use induction chemotherapy in the treatment of OPSCC? (4) What are the appropriate dose, fractionation, and volume regimens with and without systemic therapy in the treatment of OPSCC? RESULTS: Patients with stage IV and stage T3 N0-1 OPSCC treated with definitive RT should receive concurrent high-dose intermittent cisplatin...
April 11, 2017: Practical Radiation Oncology
https://www.readbyqxmd.com/read/28424830/-when-is-a-nonsurgical-approach-possible-for-metastatic-primary-tumors-and-lymph-node-metastases-of-the-urinary-bladder-and-prostate
#4
R Fietkau
For metastatic carcinomas of the urinary bladder and prostate, systemic therapy is of primary importance. Due to technological advances in radiation oncology such as stereotactic radiotherapy, intensity-modulated radiotherapy, interstitial radiotherapy, and the combination of radiotherapy and chemotherapy, pelvic irradiation can nowadays be carried out effectively and without the risk of major side effects. New data from other tumor entities and retrospective analyses suggest that the use of these technologies can lead to a clinical benefit in terms of improvement in quality of life, local control, and overall survival...
April 19, 2017: Der Urologe. Ausg. A
https://www.readbyqxmd.com/read/28421162/r-ideal-a-framework-for-systematic-clinical-evaluation-of-technical-innovations-in-radiation-oncology
#5
Helena M Verkooijen, Linda G W Kerkmeijer, Clifton D Fuller, Robbert Huddart, Corinne Faivre-Finn, Marcel Verheij, Stella Mook, Arjun Sahgal, Emma Hall, Chris Schultz
The pace of innovation in radiation oncology is high and the window of opportunity for evaluation narrow. Financial incentives, industry pressure, and patients' demand for high-tech treatments have led to widespread implementation of innovations before, or even without, robust evidence of improved outcomes has been generated. The standard phase I-IV framework for drug evaluation is not the most efficient and desirable framework for assessment of technological innovations. In order to provide a standard assessment methodology for clinical evaluation of innovations in radiotherapy, we adapted the surgical IDEAL framework to fit the radiation oncology setting...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28419246/quality-assurance-for-a-multicenter-phase-ii-study-of-stereotactic-ablative-radiotherapy-for-hepatocellular-carcinoma-%C3%A2-5-cm-a-planning-dummy-run
#6
Sun Hyun Bae, Mi-Sook Kim, Won Il Jang, Kum Bae Kim, Kwang Hwan Cho, Woo Chul Kim, Chang Yeol Lee, Eun Seog Kim, Chul Won Choi, A Ram Chang, Sunmi Jo, Jin-Young Kim
Objective: The Korean Radiation Oncology Group (12-02) investigated the outcome of stereotactic ablative radiotherapy for hepatocellular carcinoma ≤5 cm using 60 Gy in three fractions. To evaluate dosimetric differences and compliance in a multicenter trial, a planning dummy run procedure was performed. Methods: All six participating institutions were provided the contours of two dummy run cases. Plans were performed following the study protocol to cover the planning target volume with a minimum of 90% of the prescription dose and to satisfy the constraints for organs at risk...
April 13, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28412776/defining-the-value-research-agenda-in-radiation-oncology
#7
David J Sher
No abstract text is available yet for this article.
April 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28412775/defining-value-in-radiation-oncology-approaches-to-weighing-benefits-vs-costs
#8
REVIEW
Andre A Konski
The passage of the Affordable Care Act in 2010 initiated discussion regarding transitioning from a fee-for-service arrangement of care reimbursement to value-based care. Cost-effectiveness analysis (CEA) has been used in the past to quantify value as it relates to the provision of healthcare. New treatments or techniques being compared with other new or existing therapies or approaches to care were determined to be cost-effective if the incremental cost-effectiveness ratio was less than $50,000/life-year or quality-adjusted life-year...
April 15, 2017: Oncology (Williston Park, NY)
https://www.readbyqxmd.com/read/28411323/practice-patterns-for-the-prophylaxis-and-treatment-of-acute-radiation-dermatitis-in-the-united-states
#9
Patricia Lucey, Christos Zouzias, Loren Franco, Sravana K Chennupati, Shalom Kalnicki, Beth N McLellan
PURPOSE: Due to the inconclusive evidence for available treatment options, management of radiation dermatitis (RD) varies among practitioners. This study defines and reviews the current treatment patterns for RD in the USA, providing guidance for practicing physicians as well as directions for future research. METHODS: An online survey of 21 questions was emailed to all 5626 members of the 2013 American Society for Radiation Oncology (ASTRO) directory, which included radiation oncologists, residents, fellows, physician assistants, nurse practitioners, registered nurses and other care providers...
April 14, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28406118/recent-advances-in-the-management-of-renal-cell-carcinoma-a-radiation-oncology-perspective
#10
REVIEW
A A Abdus-Salam, A A Olabumuyi, M A Jimoh
Renal cell carcinoma (RCC) is a rare cancer in developing countries like Nigeria. However, with an increasing understanding of its epidemiology, the increasing availability of trained personnel, improvement in diagnostic facilities, and greater awareness in the populace, an increase in its incidence as was witnessed in developed nations in the last few decades could be safely predicted. This narrative review highlights the international best practices in the multidisciplinary approach to the management of RCC, its diagnosis and treatment, with emphasis on recent advances and radiation treatment...
April 2017: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/28399575/evaluation-of-the-prevalence-of-burnout-and-psychological-morbidity-among-radiation-oncologist-members-of-the-kyoto-radiation-oncology-study-group-krosg
#11
Wambaka Ange Mampuya, Yukinori Matsuo, Akira Nakamura, Masahiro Hiraoka
This study aimed to evaluate the self-reported prevalence of burnout and psychological morbidity among radiation oncologists members of the Kyoto Radiation Oncology Study Group (KROSG) and to identify factors contributing to burnout. We mailed an anonymous survey to 125 radiation oncologists members of the KROSG. The survey included; the demographic data, the Maslach Burnout Inventory - Human Services Survey (MBI-HSS) and the 12-item General Health Questionnaire (GHQ-12). There were 87 responses out of 125 eligible respondents (69...
March 1, 2017: Journal of Radiation Research
https://www.readbyqxmd.com/read/28397396/insight-gained-from-responses-to-surveys-on-reference-dosimetry-practices
#12
Bryan Muir, Wesley Culberson, Stephen Davis, Gwe-Ya Kim, Yimei Huang, Sung-Woo Lee, Jessica Lowenstein, Arman Sarfehnia, Jeffrey Siebers, Naresh Tolani
PURPOSE: To present the results and discuss potential insights gained through surveys on reference dosimetry practices. METHODS: Two surveys were sent to medical physicists to learn about the current state of reference dosimetry practices at radiation oncology clinics worldwide. A short survey designed to maximize response rate was made publicly available and distributed via the AAPM website and a medical physics list server. Another, much more involved survey, was sent to a smaller group of physicists to gain insight on detailed dosimetry practices...
April 11, 2017: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/28397339/recent-trends-in-oropharyngeal-cancer-funding-and-public-interest
#13
Michael A Blasco, Peter F Svider, Troy Tenbrunsel, Gautham Vellaichamy, George H Yoo, Andrew M Fribley, S Naweed Raza
OBJECTIVES/HYPOTHESIS: The incidence of oropharyngeal cancer (OPC) has increased in the United States. This has been driven by an increase in human papillomavirus (HPV)-positive OPC. Our objective is to determine trends in National Institutes (NIH)-supported research funding and public interest in OPC. METHODS: The NIH Research Portfolio Online Reporting Tools database was evaluated for projects related to OPC between 2004 and 2015. Projects were evaluated for total funding, relation to HPV, principal investigator departmental affiliation and degree, and NIH agency or center responsible for grant...
April 11, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28396725/three-dimensional-radiation-dosimetry-using-polymer-gel-and-solid-radiochromic-polymer-from-basics-to-clinical-applications
#14
REVIEW
Yoichi Watanabe, Leighton Warmington, N Gopishankar
Accurate dose measurement tools are needed to evaluate the radiation dose delivered to patients by using modern and sophisticated radiation therapy techniques. However, the adequate tools which enable us to directly measure the dose distributions in three-dimensional (3D) space are not commonly available. One such 3D dose measurement device is the polymer-based dosimeter, which changes the material property in response to radiation. These are available in the gel form as polymer gel dosimeter (PGD) and ferrous gel dosimeter (FGD) and in the solid form as solid plastic dosimeter (SPD)...
March 28, 2017: World Journal of Radiology
https://www.readbyqxmd.com/read/28395417/-dosimetry-verification-of-radioactive-seed-implantation-with-3d-printing-template-and-ct-guidance-for-paravertebral-retroperitoneal-malignant-tumor
#15
Z Ji, Y L Jiang, F X Guo, R Peng, H T Sun, J H Fan, J J Wang
Objective: To compare the dose distributions of postoperative plans with preoperative plans for seeds implantations of paravertebral/retroperitoneal tumors assisted by 3D printing guide template and CT guidance, explore the effects of the technology for seeds implantations in dosimetry level and provide data support for the optimization and standardization in seeds implantation. Methods: Between December 2015 and July 2016, a total of 10 patients with paravertebral/retroperitoneal tumors (12 lesions) received 3D printing template assist radioactive seeds implantations in department of radiation oncology of Peking University Third Hospital, and included in the study...
April 4, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28392144/iridium-knife-another-knife-in-radiation-oncology
#16
Natasa Milickovic, Nikolaos Tselis, Efstratios Karagiannis, Konstantinos Ferentinos, Nikolaos Zamboglou
PURPOSE: Intratarget dose escalation with superior conformity is a defining feature of three-dimensional (3D) iridium-192 ((192)Ir) high-dose-rate (HDR) brachytherapy (BRT). In this study, we analyzed the dosimetric characteristics of interstitial (192)Ir HDR BRT for intrathoracic and cerebral malignancies. We examined the dose gradient sharpness of HDR BRT compared with that of linear accelerator-based stereotactic radiosurgery and stereotactic body radiation therapy, usually called X-Knife, to demonstrate that it may as well be called a Knife...
April 6, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28390536/integration-of-pet-mr-hybrid-imaging-into-radiation-therapy-treatment
#17
REVIEW
Tong Zhu, Shiva Das, Terence Z Wong
Hybrid PET/MR imaging is in early development for treatment planning. This article briefly reviews research and clinical applications of PET/MR imaging in radiation oncology. With improvements in workflow, more specific tracers, and fast and robust acquisition protocols, PET/MR imaging will play an increasingly important role in better target delineation for treatment planning and have clear advantages in the evaluation of tumor response and in a better understanding of tumor heterogeneity. With advances in treatment delivery and the potential of integrating PET/MR imaging with research on radiomics for radiation oncology, quantitative and physiologic information could lead to more precise and personalized RT...
May 2017: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/28387011/radiotherapy-in-anaplastic-thyroid-carcinoma-an-australian-experience
#18
Kevin So, Robin E Smith, Sidney R Davis
INTRODUCTION: Anaplastic thyroid cancer is a rare and fatal malignancy, associated with significant local tumour and often treatment related morbidity. We report our experience in treating this cancer over a 20-year period. METHODS: A retrospective review of prospectively collected data from a single Australian Institution (Alfred Health Radiation Oncology) was carried out on patients referred with anaplastic thyroid carcinoma between 1992 and 2013. RESULTS: Thirty patients (17 females and 13 males) were identified with a median age at presentation of 72 years...
April 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28384565/impact-of-hormonal-status-on-outcome-of-ductal-carcinoma-in-situ-treated-with-breast-conserving-surgery-plus-radiotherapy-long-term-experience-from-two-large-institutional-series
#19
Icro Meattini, Calogero Saieva, Paolo Bastiani, Francesca Martella, Giulio Francolini, Monica Lo Russo, Lisa Paoletti, Morena Doria, Isacco Desideri, Francesca Terziani, Carla De Luca Cardillo, Benedetta Bendinelli, Cinzia Ciabatti, Cristina Muntoni, Galliano Tinacci, Jacopo Nori, Herd Smith, Beniamino Brancato, Lorenzo Galli, Luis Jose Sanchez, Donato Casella, Marco Bernini, Lorenzo Orzalesi, Giulio Alberto Carta, Simonetta Bianchi, Francesca Rossi, Lorenzo Livi
BACKGROUND: Ductal carcinoma in situ (DCIS) is a heterogeneous disease, for which the best adjuvant treatment is still uncertain. Many attempts of risk-groups stratification have been made over time, developing prognostic scores to predict risk of local recurrence (LR) on the basis of features such as age, final surgical margins (FSM) status, grade, and tumor size. The aim of our analysis was to evaluate the patterns of recurrence from a two large-institutional retrospective series. PATIENTS AND METHODS: We collected data on 457 patients treated with BCS and adjuvant RT between 1990 and 2012...
April 3, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28380636/the-role-of-image-guided-intensity-modulated-proton-therapy-in-glioma
#20
David R Grosshans, Radhe Mohan, Vinai Gondi, Helen A Shih, Anita Mahajan, Paul D Brown
Gliomas represent a broad spectrum of disease with life-expectancy outcomes ranging from months to decades. As our understanding of the molecular profiles of gliomas expands rapidly, practitioners are now better able to identify patients with favorable versus nonfavorable prognoses. Radiation therapy plays a key role in glioma treatment, improving disease control and oftentimes survival. However, for survivors, either long-term or short-term, radiation-induced cognitive impairments may negatively impact their quality of life...
April 1, 2017: Neuro-oncology
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