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Guideline radiotherapy

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https://www.readbyqxmd.com/read/29769103/the-alfa-and-beta-of-tumours-a-review-of-parameters-of-the-linear-quadratic-model-derived-from-clinical-radiotherapy-studies
#1
REVIEW
C M van Leeuwen, A L Oei, J Crezee, A Bel, N A P Franken, L J A Stalpers, H P Kok
BACKGROUND: Prediction of radiobiological response is a major challenge in radiotherapy. Of several radiobiological models, the linear-quadratic (LQ) model has been best validated by experimental and clinical data. Clinically, the LQ model is mainly used to estimate equivalent radiotherapy schedules (e.g. calculate the equivalent dose in 2 Gy fractions, EQD2 ), but increasingly also to predict tumour control probability (TCP) and normal tissue complication probability (NTCP) using logistic models...
May 16, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29769057/patterns-of-care-for-anal-cancer-in-the-united-states-a-comparison-between-academic-and-community-cancer-centers
#2
Victor E Pricolo, Matteo Bonvini, Carlo F Abelli
BACKGROUND: Management of squamous cell carcinoma of the anus (SCCA) is becoming more relevant, as its incidence increases. The purpose of this study was to investigate possible differences in patient population and care delivery for SCCA between academic and community cancer programs in the United States. METHODS: A review of available data from the American College of Surgeons Committee on Cancer National Cancer DataBase focused on gender, age, race, type of health insurance, comorbidity score, distance traveled for care, stage at diagnosis, and therapy utilization (surgery, chemotherapy, and radiation therapy) as first course of treatment (FCT)...
May 16, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29764186/patterns-of-symptom-control-and-palliative-care-focused-original-research-articles-in-the-international-journal-of-radiation-oncology-biology-physics-and-the-radiotherapy-and-oncology-journal-2005-2014
#3
Diana D Shi, Julia DiGiovanni, Sonia Skamene, Sarah Noveroske Philbrick, Yanbing Wang, Elizabeth A Barnes, Edward Chow, Adam Sullivan, Tracy A Balboni
BACKGROUND: A significant portion of radiation treatment (30-40%) is delivered with palliative intent. Given the frequency of palliative care (PC) in radiation oncology, we determined the patterns of research focusing on symptom control and palliative care (SCPC) in two prominent radiation oncology journals from 2005-2014. METHODS: Original research manuscripts published from 2005-2014 in the International Journal of Radiation Oncology *Biology* Physics (Red Journal) and the Radiotherapy and Oncology Journal (Green Journal) were reviewed to categorize articles as PC and/or SCPC...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29764185/management-of-metastatic-spinal-cord-compression-among-veterans-health-administration-radiation-oncologists
#4
Ruchika Gutt, Sheeta Malhotra, Shruti Jolly, Drew Moghanaki, Alice V Cheuk, Helen Fosmire, Maria Kelly, Lori Hoffman-Hogg, Stephen Lutz, Mitchell Anscher, George Dawson
BACKGROUND: Optimal management of metastatic spinal cord compression (MSCC) improves functional outcomes in patients with metastatic disease. This survey study evaluated management of MSCC by Veterans Health Administration (VHA) radiation oncologists (ROs), to determine whether management of MSCC correlates with American College of Radiology (ACR) guidelines, and to compare times to initiation of treatment between surgery and radiotherapy (RT). METHODS: Surveys emailed to 79 VHA ROs included questions on steroid use, surgical care, palliative care, fractionation of irradiation, re-irradiation, and management of common MSCC case scenarios...
April 2018: Annals of Palliative Medicine
https://www.readbyqxmd.com/read/29761663/a-prospective-pilot-study-on-early-toxicity-from-a-simultaneously-integrated-boost-technique-for-canine-sinonasal-tumours-using-image-guided-intensity-modulated-radiation-therapy
#5
A Soukup, V Meier, S Pot, K Voelter, C Rohrer Bley
In order to overcome the common local treatment failure of canine sinonasal tumours, integrated boost techniques were tried in the cobalt/orthovoltage era, but dismissed because of unacceptable early (acute) toxicity. Intriguingly, a recent calculation study of a simultaneously integrated boost (SIB) technique for sinonasal irradiation using intensity-modulated radiation therapy (IMRT) predicted theoretical feasibility. In this prospective pilot study we applied a commonly used protocol of 10 × 4.2 Gy to the planning target volume (PTV) with a 20%-SIB dose to the gross tumour volume (GTV)...
May 14, 2018: Veterinary and Comparative Oncology
https://www.readbyqxmd.com/read/29757877/report-from-the-20th-meeting-of-the-european-society-of-gynaecological-oncology-esgo-2017
#6
Kamil Zalewski, Elisa Piovano, Zoia Razumova, Ilker Selcuk, Tanja Nikolova
This is a report from the 20th Meeting of the European Society of Gynaecological Oncology (ESGO) held in Vienna, Austria on November 4 to 7, 2017. The conference offered state-of-the-art educational sessions and oral and poster abstract presentations. The general sessions throughout the meeting focused not only on prevention, screening, diagnosis, treatment, and translational research but also emerging trends, and current innovations in gynecological cancers were discussed. The ESGO-European Society for Radiotherapy and Oncology-European Society of Pathology guidelines on management of cervical cancers were reported for the first time in public...
May 4, 2018: International Journal of Gynecological Cancer
https://www.readbyqxmd.com/read/29757471/image-based-retrospective-4d-mri-in-external-beam-radiotherapy-a-comparative-study-with-a-digital-phantom
#7
Chiara Paganelli, John Kipritidis, Danny Lee, Guido Baroni, Paul Keall, Marco Riboldi
PURPOSE: Several image-based retrospective sorting methods of 4D Magnetic Resonance Imaging (4D MRI) have been proposed for respiratory motion reconstruction in external beam radiotherapy. However, the optimal strategy for providing accurate and artefact-free 4D MRI, ideally corresponding to an average breathing cycle, is not yet defined. This study presents a proactive comparison of three published image-based sorting methods, to define a groundwork for benchmarking in 4D MRI. METHODS: Three published 4D MRI methods were selected for image retrospective sorting; body area, mutual information and navigator slice...
May 14, 2018: Medical Physics
https://www.readbyqxmd.com/read/29756612/cancer-of-the-head-and-neck-a-set-of-indicators-based-on-register-and-administrative-data
#8
A Andreano, M Ansarin, D Alterio, R Bruschini, M G Valsecchi, A G Russo
Head and neck (H&N) tumours are a heterogeneous group of neoplasms with 5-year relative survival ranging from about 25% for the hypopharynx to 60% for the larynx in Europe. To improve survival rates, along with therapeutic improvements, it is important to standardise and optimise care received by patients with H&N tumours across different healthcare providers. To reach this goal, it is necessary to evaluate adherence to standards of received care at a population level. Published guidelines can serve as the basis to develop indicators, which can be computed from administrative health databases, measuring the adherence to specific recommendations at the individual level in unselected H&N cancer patients, identified from a population cancer register...
February 2018: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29754073/fertility-preservation-and-cancer-how-many-persons-are-concerned
#9
Christine Le Bihan-Benjamin, Natalie Hoog-Labouret, Delphine Lefeuvre, Frédérique Carré-Pigeon, Philippe Jean Bousquet
OBJECTIVE: A significant proportion of cancer survivors experience chronic health sequelae, one of them being fertility impairment. However, even if many reports, guidelines and positions papers focus on fertility preservation and its needs, access to fertility preservation is not currently offered to all the patients concerned, and the targeted population is not well counted. STUDY DESIGN: A cross sectional study was conducted using the French cancer cohort, a cohort covering the whole French population and including around 7 million of cancer patients...
May 8, 2018: European Journal of Obstetrics, Gynecology, and Reproductive Biology
https://www.readbyqxmd.com/read/29752513/oligorecurrent-prostate-cancer-limited-to-lymph-nodes-getting-our-ducks-in-a-row
#10
Andrei Fodor, Andrea Lancia, Francesco Ceci, Maria Picchio, Morten Hoyer, Barbara Alicja Jereczek-Fossa, Piet Ost, Paolo Castellucci, Elena Incerti, Nadia Di Muzio, Gianluca Ingrosso
PURPOSE: Oligorecurrent prostate cancer with exclusive nodal involvement represents a common state of disease, amenable to local therapy. New radio-labeled tracers have enriched the possibility of cancer detection and treatment. In this review, we aim to illustrate the main nuclear medicine diagnostic options and the role of radiotherapy in this setting of patients. METHODS: We performed a PubMed search referring to the PRISMA guidelines to analyze the performance of PSMA- and choline-PET in detecting oligorecurrence limited to lymph nodes, and to review the main studies supporting either ablative stereotactic body radiotherapy or regional lymph node irradiation in this clinical setting...
May 11, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29752325/sequential-versus-concurrent-chemoradiation-therapy-by-surgical-margin-status-in-resected-non-small-cell-lung-cancer
#11
Vivek Verma, Amy C Moreno, Waqar Haque, Penny Fang, Steven H Lin
Background: Postoperative chemoradiotherapy (CRT) for non-small cell lung cancer (NSCLC) can be delivered sequentially (sCRT) or concurrently (cCRT). Without high-volume data, current guidelines recommend either option for patients with negative margins (M-) and cCRT for those with positive margins (M+). In this study, survival was compared between sCRT versus cCRT for M- and M+ disease; survival in patients who underwent sCRT was also assessed with chemotherapy-first versus radiotherapy (RT)-first. Methods: The National Cancer Database was queried for patients with primary NSCLC undergoing surgery followed by CRT...
May 2018: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/29752011/variations-in-initiation-dates-of-chemotherapy-and-radiation-therapy-for-definitive-management-of-inoperable-non-small-cell-lung-cancer-are-associated-with-decreases-in-overall-survival
#12
Matthew P Deek, Sinae Kim, Robert Beck, Nikhil Yegya-Raman, John Langenfeld, Joyti Malhotra, Omar Mahmoud, Joseph Aisner, Salma K Jabbour
BACKGROUND: We evaluated trends in administration of concurrent chemoradiation therapy (CRT) and how variations in start dates of chemotherapy and radiotherapy affected overall survival (OS) in patients with non-small cell lung cancer (NSCLC) undergoing a course of definitive CRT. MATERIALS AND METHODS: Cases of NSCLC treated with definitive CRT were obtained from the National Cancer Database. A survival analysis was performed with Kaplan-Meier curves and Cox proportional hazards models...
March 17, 2018: Clinical Lung Cancer
https://www.readbyqxmd.com/read/29745011/comp-report-cpqr-technical-quality-control-guidelines-for-major-dosimetry-equipment
#13
Gérard Lagmago Kamta
The Canadian Organization of Medical Physicists (COMP), in close partnership with the Canadian Partnership for Quality Radiotherapy (CPQR) has developed a series of Technical Quality Control (TQC) guidelines for radiation treatment equipment. These guidelines outline the performance objectives that equipment should meet to ensure an acceptable level of radiation treatment quality. The TQC guidelines have been rigorously reviewed and field tested in a variety of Canadian radiation treatment facilities. The development process enables rapid review and update to keep the guidelines current with changes in technology (the most update version of this guideline can be found on the CPQR website)...
May 9, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29743948/the-current-state-of-prostate-cancer-treatment-in-trinidad-and-tobago
#14
REVIEW
Satyendra Persaud, Maliza Persaud, Lester Goetz, Dylan Narinesingh
Prostate cancer mortality in the Caribbean region is among the highest in the world and prostate cancer is the most common cancer in Trinidad and Tobago. There is a two-tiered healthcare system in Trinidad and Tobago, and prostate cancer related issues account for a significant percentage of urologists' workload. Delivery of care is sometimes constrained by limited financial resources. Prostate-specific antigen testing is widely available but there is no national guideline. Treatment options available include active surveillance, radical prostatectomy, external beam radiotherapy and brachytherapy...
2018: Ecancermedicalscience
https://www.readbyqxmd.com/read/29739356/korean-society-of-coloproctology-kscp-trial-of-consolidation-chemotherapy-for-locally-advanced-mid-or-low-rectal-cancer-after-neoadjuvant-concurrent-chemoradiotherapy-a-multicenter-randomized-controlled-trial-konclude
#15
Chang Woo Kim, Byung Mo Kang, Ik Yong Kim, Ji Yeon Kim, Sun Jin Park, Won Cheol Park, Ki Beom Bae, Byung-Noe Bae, Seong Kyu Baek, Seung Hyuk Baik, Gyung Mo Son, Yoon Suk Lee, Suk-Hwan Lee
BACKGROUND: Neoadjuvant chemoradiotherapy (CRT) followed by total mesorectal excision (TME) has been a standard treatment option for locally advanced rectal cancer with improved local control. However, systemic recurrence despite neoadjuvant CRT remained unchanged. The only significant prognostic factor proven to be important was pathologic complete response (pCR) after neoadjuvant CRT. Several efforts have been tried to improve survival of patients who treated with neoadjuvant CRT and to achieve more pCR including adding cytotoxic chemotherapeutic agents, chronologic modification of chemotherapy schedule or adding chemotherapy during the perioperative period...
May 8, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29731160/contouring-of-prostate-tumors-on-multiparametric-mri-evaluation-of-clinical-delineations-in-a-multicenter-radiotherapy-trial
#16
Marcel A van Schie, Cuong V Dinh, Petra J van Houdt, Floris J Pos, Stijn W T J P Heijmink, Linda G W Kerkmeijer, Alexis N T J Kotte, Raymond Oyen, Karin Haustermans, Uulke A van der Heide
PURPOSE: To date no guidelines are available for contouring prostate cancer inside the gland, as visible on multiparametric (mp-) MRI. We assessed inter-institutional differences in interpretation of mp-MRI in the multicenter phase III FLAME trial. METHODS: We analyzed clinical delineations on mp-MRI and clinical characteristics from 260 patients across three institutes. We performed a logistic regression analysis to examine each institute's weighting of T2w, ADC and Ktrans intensity maps in the delineation of the cancer...
May 3, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29729847/siope-brain-tumor-group-consensus-guideline-on-craniospinal-target-volume-delineation-for-high-precision-radiotherapy
#17
Thankamma Ajithkumar, Gail Horan, Laetitia Padovani, Nicky Thorp, Beate Timmermann, Claire Alapetite, Lorenza Gandola, Monica Ramos, Karen Van Beek, Melissa Christiaens, Yasmin Lassen-Ramshad, Henriette Magelssen, Kristina Nilsson, Frank Saran, Barbara Rombi, Rolf Kortmann, Geert O Janssens
OBJECTIVE: To develop a consensus guideline for craniospinal target volume (TV) delineation in children and young adults participating in SIOPE studies in the era of high-precision radiotherapy. METHODS AND MATERIALS: During four consensus meetings (Cambridge, Essen, Liverpool, and Marseille), conventional field-based TV has been translated into image-guided high-precision craniospinal TV by a group of expert paediatric radiation oncologists and enhanced by MRI images of liquor distribution...
May 2, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29729846/patient-safety-in-external-beam-radiotherapy-results-of-the-accirad-project-recommendations-for-radiotherapy-institutions-and-national-authorities-on-assessing-risks-and-analysing-adverse-error-events-and-near-misses
#18
Julian Malicki, Ritva Bly, Mireille Bulot, Jean-Luc Godet, Andreas Jahnen, Marco Krengli, Philippe Maingon, Carlos Prieto Martin, Agnieszka Skrobala, Marc Valero, Hannu Jarvinen
The ACCIRAD project, commissioned by the European Commission (EC) to develop guidelines for risk analysis of accidental and unintended exposures in external beam radiotherapy (EBRT), was completed in the year 2014. In 2015, the "General guidelines on risk management in external beam radiotherapy" were published as EC report Radiation Protection (RP)-181. The present document is the third and final report of the findings from the ACCIRAD project. The main aim of this paper is to describe the key features of the risk management process and to provide general guidelines for radiotherapy departments and national authorities on risk assessment and analysis of adverse error-events and near misses...
May 2, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29728273/the-european-society-of-gynaecological-oncology-european-society-for-radiotherapy-and-oncology-european-society-of-pathology-guidelines-for-the-management-of-patients-with-cervical-cancer
#19
David Cibula, Richard Pötter, François Planchamp, Elisabeth Avall-Lundqvist, Daniela Fischerova, Christine Haie Meder, Christhardt Köhler, Fabio Landoni, Sigurd Lax, Jacob Christian Lindegaard, Umesh Mahantshetty, Patrice Mathevet, W Glenn McCluggage, Mary McCormack, Raj Naik, Remi Nout, Sandro Pignata, Jordi Ponce, Denis Querleu, Francesco Raspagliesi, Alexandros Rodolakis, Karl Tamussino, Pauline Wimberger, Maria Rosaria Raspollini
BACKGROUND: Despite significant advances in the screening, detection, and treatment of preinvasive cervical lesions, invasive cervical cancer is the fifth most common cancer in European women. There are large disparities in Europe and worldwide in the incidence, management, and mortality of cervical cancer. OBJECTIVE: The European Society of Gynaecological Oncology (ESGO), the European Society for Radiotherapy and Oncology (ESTRO), and the European Society of Pathology (ESP) jointly develop clinically relevant and evidence-based guidelines in order to improve the quality of care for women with cervical cancer across Europe and worldwide...
April 12, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/29727314/the-university-of-florida-department-of-radiation-oncology-guidelines-for-treatment-of-differentiated-thyroid-cancer-with-i-131-or-external-beam-radiotherapy
#20
Robert J Amdur, Roi Dagan
The purpose of this paper is to summarize the University of Florida Department of Radiation Oncology guidelines for treatment of differentiated thyroid cancer with I-131 or external-beam radiotherapy. This article is not meant to compete with the many excellent book chapters and consensus guidelines that present comprehensive discussions of treatment options. This is a streamlined, "How we do it?" reference without substantial discussion of background or supporting data. To serve as a treatment reference, the great majority of the information is presented in topic-specific tables...
May 4, 2018: American Journal of Clinical Oncology
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