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"radiation oncology"

C M Chingkoe, A Brook, A J Moser, K J Mortele
PURPOSE: At our tertiary medical center, multidisciplinary subspecialists meet twice a week during a CME-accredited conference to discuss oncologic and non-oncologic patients with pancreatic diseases at which time a subspecialized abdominal staff radiologist reinterprets the patient's relevant imaging studies. This study assesses the changes in patient management due to imaging reinterpretation during multidisciplinary pancreas conference (MPC). MATERIALS AND METHODS: In this retrospective, IRB-approved, HIPAA-compliant study, imaging studies of all patients discussed at MPC between July 1 and December 31, 2015 were assessed for technical adequacy, and original reports analyzed for congruency with reinterpretation...
March 17, 2018: Abdominal Radiology
Daniëlle Bp Eekers, Lieke In 't Ven, Erik Roelofs, Alida Postma, Claire Alapetite, Neil G Burnet, Valentin Calugaru, Inge Compter, Ida E M Coremans, Morton Høyer, Maarten Lambrecht, Petra Witt Nyström, Alejandra Méndez Romero, Frank Paulsen, Ana Perpar, Dirk de Ruysscher, Laurette Renard, Beate Timmermann, Pavel Vitek, Damien C Weber, Hiske L van der Weide, Gillian A Whitfield, Ruud Wiggenraad, Esther G C Troost
PURPOSE: To create a digital, online atlas for organs at risk (OAR) delineation in neuro-oncology based on high-quality computed tomography (CT) and magnetic resonance (MR) imaging. METHODS: CT and 3 Tesla (3T) MR images (slice thickness 1 mm with intravenous contrast agent) were obtained from the same patient and subsequently fused. In addition, a 7T MR without intravenous contrast agent was obtained from a healthy volunteer. Based on discussion between experienced radiation oncologists, the clinically relevant organs at risk (OARs) to be included in the atlas for neuro-oncology were determined, excluding typical head and neck OARs previously published...
March 13, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
Roberta Anderson, Elwood Armour, Courtney Beeckler, Valerie Briner, Amanda Choflet, Andrea Cox, Amanda N Fader, Marie N Hannah, Robert Hobbs, Ellen Huang, Marilyn Kiely, Junghoon Lee, Marc Morcos, Paige E McMillan, Dave Miller, Sook Kien Ng, Rashmi Prasad, Annette Souranis, Robert Thomsen, Theodore L DeWeese, Akila N Viswanathan
PURPOSE: As a core component of a new gynecologic cancer radiation program, we envisioned, structured, and implemented a novel Interventional Radiation Oncology (IRO) unit and magnetic resonance (MR)-brachytherapy environment in an existing MR simulator. METHODS AND MATERIALS: We describe the external and internal processes required over a 6-8 month time frame to develop a clinical and research program for gynecologic brachytherapy and to successfully convert an MR simulator into an IRO unit...
March 13, 2018: Brachytherapy
Katherine S Chen, Scott M Glaser, Allison E Garda, John A Vargo, M Saiful Huq, Dwight E Heron, Sushil Beriwal
BACKGROUND: Clinical pathways outline criteria for dose homogeneity and critical organ dosimetry. Based upon an internal audit showing suboptimal compliance with dosimetric parameters in whole breast irradiation (WBI), we conducted a mandatory web-based teaching conference for the network. This study reports the impact of this initiative on subsequent treatment plans. METHODS: Radiation treatment plans were collected for the 10 most recent patients receiving WBI at 16 institutions within the UPMC Hillman Cancer Center network...
March 16, 2018: Radiation Oncology
Benjamin D Smith, Jennifer R Bellon, Rachel Blitzblau, Gary Freedman, Bruce Haffty, Carol Hahn, Francine Halberg, Karen Hoffman, Kathleen Horst, Jean Moran, Caroline Patton, Jane Perlmutter, Laura Warren, Timothy Whelan, Jean L Wright, Reshma Jagsi
INTRODUCTION: The purpose of this guideline is to offer recommendations on fractionation for whole breast irradiation (WBI) with or without a tumor bed boost and guidance on treatment planning and delivery. METHODS AND MATERIALS: The American Society for Radiation Oncology (ASTRO) convened a task force to address 5 key questions focused on dose-fractionation for WBI, indications and dose-fractionation for tumor bed boost, and treatment planning techniques for WBI and tumor bed boost...
March 8, 2018: Practical Radiation Oncology
Krista C J Wink, Erik Roelofs, Charles B Simone, David Dechambre, Alina Santiago, Judith van der Stoep, Wim Dries, Julia Smits, Stephen Avery, Filippo Ammazzalorso, Nicolas Jansen, Urszula Jelen, Timothy Solberg, Dirk de Ruysscher, Esther G C Troost
PURPOSE: To compare dose to organs at risk (OARs) and dose-escalation possibility for 24 stage I non-small cell lung cancer (NSCLC) patients in a ROCOCO (Radiation Oncology Collaborative Comparison) trial. METHODS: For each patient, 3 photon plans [Intensity-modulated radiotherapy (IMRT), volumetric modulated arc therapy (VMAT) and CyberKnife], a double scattered proton (DSP) and an intensity-modulated carbon-ion (IMIT) therapy plan were created. Dose prescription was 60 Gy (equivalent) in 8 fractions...
March 12, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
Thomas J Whitaker, Charles S Mayo, Daniel J Ma, Michael G Haddock, Robert C Miller, Kimberly S Corbin, Michelle Neben-Wittich, James L Leenstra, Nadia N Laack, Mirek Fatyga, Steven E Schild, Carlos E Vargas, Katherine S Tzou, Austin R Hadley, Steven J Buskirk, Robert L Foote
Patient- and provider-reported outcomes are recognized as important in evaluating quality of care, guiding health care policy, comparative effectiveness research, and decision-making in radiation oncology. Combining patient and provider outcome data with a detailed description of disease and therapy is the basis for these analyses. We report on the combination of technical solutions and clinical process changes at our institution that were used in the collection and dissemination of this data. This initiative has resulted in the collection of treatment data for 23 541 patients, 20 465 patients with provider-based adverse event records, and patient-reported outcome surveys submitted by 5622 patients...
March 12, 2018: Journal of Radiation Research
Sandro Virgilio Porceddu, Mathias Bressel, Michael Geoffrey Poulsen, Adam Stoneley, Michael John Veness, Lizbeth Moira Kenny, Chris Wratten, June Corry, Stephen Cooper, Gerald Blaise Fogarty, Marnie Collins, Michael Kevin Collins, Andrew Martin John Macann, Christopher Gerard Milross, Michael Gordon Penniment, Howard Yu-Hao Liu, Madeleine Trudy King, Benedict James Panizza, Danny Rischin
Purpose To report the results of the Trans Tasman Radiation Oncology Group randomized phase III trial designed to determine whether the addition of concurrent chemotherapy to postoperative radiotherapy (CRT) improved locoregional control in patients with high-risk cutaneous squamous cell carcinoma of the head and neck. Patients and Methods The primary objective was to determine whether there was a difference in freedom from locoregional relapse (FFLRR) between 60 or 66 Gy (6 to 6.5 weeks) with or without weekly carboplatin (area under the curve 2) after resection of gross disease...
March 14, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
James R Kerns, David Followill, Jessica Lowenstein, Andrea Molineu, Paola Alvarez, Paige A Taylor, Stephen F Kry
PURPOSE: Reference dosimetry data can provide an independent second check of acquired values when commissioning or validating a treatment planning system (TPS). The Imaging and Radiation Oncology Core at Houston (IROC-Houston) has measured numerous linear accelerators throughout its existence. The results of those measurements are given here, comparing accelerators and the agreement of measurement versus institutional TPS calculations. METHODS: Data from IROC-Houston on-site reviews from 2000 through 2014 were analyzed for all Elekta accelerators, approximately 50...
March 14, 2018: Medical Physics
N Andratschke, H Alheid, M Allgäuer, G Becker, O Blanck, J Boda-Heggemann, T Brunner, M Duma, S Gerum, M Guckenberger, G Hildebrandt, R J Klement, V Lewitzki, C Ostheimer, A Papachristofilou, C Petersen, T Schneider, R Semrau, S Wachter, D Habermehl
No abstract text is available yet for this article.
March 13, 2018: BMC Cancer
Bernadette Brown, Jane Young, David P Smith, Andrew B Kneebone, Andrew J Brooks, Sam Egger, Miranda Xhilaga, Amanda Dominello, Dianne L O'Connell, Mary Haines
BACKGROUND: This study assessed whether a theoretically conceptualised tailored intervention centred on multidisciplinary teams (MDTs) increased clinician referral behaviours in line with clinical practice guideline recommendations. METHODS: Nine hospital Sites in New South Wales (NSW), Australia with a urological MDT and involvement in a state-wide urological clinical network participated in this pragmatic stepped wedge, cluster randomised implementation trial...
March 12, 2018: Implementation Science: IS
Lucyna Kepka, Joanna Socha
We greatly appreciate the recent publication of a Japan Lung Cancer Society and Japanese Society for Radiation Oncology consensus-based computed tomographic atlas for defining regional lymph node stations (LNSs) for radiotherapy for lung cancer. This atlas is based on the International Association for the Study of Lung Cancer (IASLC) consensus lymph node map, which resolved differences between the Japanese and American classification and was incorporated into the seventh edition of the TNM staging system. The authors must be commended for providing a very clear, comprehensive presentation of the borders of the mediastinal and hilar LNSs, using a multidisciplinary approach...
March 8, 2018: Journal of Radiation Research
Kerstin Anne Kessel, Anne W M Lee, Søren M Bentzen, Bhadrasain Vikram, Fridtjof Nüsslin, Stephanie E Combs
No abstract text is available yet for this article.
2018: Frontiers in Oncology
Sanders Chang, Peter May, Nathan E Goldstein, Juan Wisnivesky, Doran Ricks, David Fuld, Melissa Aldridge, Kenneth Rosenzweig, R Sean Morrison, Kavita V Dharmarajan
CONTEXT: Palliative radiation therapy (PRT) is a highly effective treatment in alleviating symptoms from bone metastases; however, currently used standard fractionation schedules can lead to costly care, especially when patients are treated in an inpatient setting. The Palliative Radiation Oncology Consult (PROC) service was developed in 2013 to improve appropriateness, timeliness, and care value from PRT. OBJECTIVE: Our primary objective was to compare total costs among two cohorts of inpatients with bone metastases treated with PRT before, or after, PROC establishment...
March 8, 2018: Journal of Pain and Symptom Management
Catherine A Pembroke, Joanne Alfieri, Alain Biron, Carolyn Freeman, Tarek Hijal
PURPOSE: Quality improvement (QI) is a pillar of good clinical governance and is at the center of modern health care. The Royal College of Physicians and Surgeons of Canada mandated, in CanMeds 2015, that QI should be taught and the competencies assessed in all postgraduate residency programs. The objective is to report on the feasibility and impact of teaching QI to radiation oncology residents at a single institution. METHODS AND MATERIALS: A QI team consisting of a clinical fellow, 3 staff physicians, and an expert in QI methods was created within our Department of Radiation Oncology...
March 2018: Practical Radiation Oncology
James A Hanley
My early years as a statistician were with the Eastern Co-operative Oncology Group and the Radiation Oncology Therapy Group; three of these years were spent at the Sidney Farber Cancer Institute. Later, I collaborated widely with investigators in many clinical research areas. I reflect on the "statistical interrogations of nature" I saw (and helped some of these) investigators plan and carry out. I look back on their (and my own) statistical behaviors when interpreting the information these interrogations produced and-using a few vignettes and some computer-generated observations-draw some lessons from them...
March 1, 2018: SLAS Discovery
Mark Gainey, Montserrat Carles, Michael Mix, Philipp T Meyer, Michael Bock, Anca-Ligia Grosu, Dimos Baltas
Recently, there has been an increase in the imaging modalities available for radiotherapy planning and radiotherapy prognostic outcome: dual energy computed tomography (CT; DECT), dynamic contrast enhanced CT, dynamic contrast enhanced magnetic resonance imaging (MRI), diffusion-weighted MRI, positron emission tomography-CT, dynamic contrast enhanced ultrasound, magnetic resonance spectroscopy and positron emission tomography-MR. These techniques enable more precise gross tumor volume definition than CT alone and moreover allow subvolumes within the gross tumor volume to be defined which may be given a boost dose or an individual voxelized dose prescription may be derived...
March 9, 2018: Future Oncology
Eleni Gkika, Oliver Oehlke, Hatice Bunea, Nicole Wiedenmann, Sonja Adebahr, Ursula Nestle, Constantinos Zamboglou, Simon Kirste, Jamina Fennell, Thomas Brunner, Mark Gainey, Dimos Baltas, Mathias Langer, Horst Urbach, Michael Bock, Philipp T Meyer, Anca-Ligia Grosu
Positron emission tomography and multiparametric MRI provide crucial information concerning tumor extent and normal tissue anatomy. Moreover, they are able to visualize biological characteristics of the tumor, which can be considered in the radiation treatment planning and monitoring. In this review we discuss the impact of biological imaging positron emission tomography and multiparametric MRI for radiation oncology, based on the data of the literature and on the experience of our own institution in this field...
March 9, 2018: Future Oncology
Sunil W Dutta, Kristine Bauer-Nilsen, Jason C Sanders, Daniel M Trifiletti, Bruce Libby, Donna H Lash, Melody Lain, Deborah Christodoulou, Constance Hodge, Timothy N Showalter
PURPOSE: To evaluate the delivery cost of frequently used radiotherapy options offered to patients with intermediate- to high-risk prostate cancer using time-driven activity-based costing and compare the results with Medicare reimbursement and relative value units (RVUs). METHODS AND MATERIALS: Process maps were created to represent each step of prostate radiotherapy treatment at our institution. Salary data, equipment purchase costs, and consumable costs were factored into the cost analysis...
March 5, 2018: Brachytherapy
Junjie Wang, Shude Chai, Guangjun Zheng, Yuliang Jiang, Zhe Ji, Fuxin Guo, Hongqing Zhuang, Kaixian Zhang
The aim of this study is to develop expert consensus statement for recommendations of patient selection criteria, prescription dose, and procedure of computed tomography (CT)-guided125 I radioactive seeds permanent interstitial brachytherapy. Members of Chinese medical association radiation oncology branch, Chinese medical association radiation therapy professional committee, Chinese cancer society minimally invasive surgery branch seed therapy group, Chinese geriatric cancer society minimally invasive surgery branch, Beijing medical association radiation oncology professional committee, China northern radioactive seeds brachytherapy group formed a committee, which consists of physician members who come from the department of radiation oncology, surgery, intervention, internal medicine, ultrasound, and nuclear medicine...
January 2018: Journal of Cancer Research and Therapeutics
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