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radiation oncology radiotherapy cancer

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https://www.readbyqxmd.com/read/28516202/-plastic-reconstruction-of-radiation-injuries
#1
P M Vogt, T R Mett, C Henkenberens, C Radtke, R Ipaktchi
In addition to surgical and drug therapy, radiotherapy (or radiation therapy) is one of the three mainstays of modern oncological therapy regimes. It uses ionizing radiation to control tumors by damaging the DNA of cancerous tissue leading to cellular death. Although advances have been made in recent years resulting in a reduced dosage to the surrounding tissues, radiation injuries and tissue-related side effects cannot be completely avoided. Knowledge of the pathophysiology, treatment modalities and interdisciplinary treatment approaches are essential for effective therapy whilst limiting side effects...
May 17, 2017: Der Chirurg; Zeitschrift Für Alle Gebiete der Operativen Medizen
https://www.readbyqxmd.com/read/28516155/phase-i-clinical-trial-of-everolimus-combined-with-trimodality-therapy-in-patients-with-muscle-invasive-bladder-cancer
#2
Bassel G Bachir, Luis Souhami, Jose João Mansure, Fabio Cury, Marie Vanhuyse, Fadi Brimo, Armen G Aprikian, Simon Tanguay, Jeremy Sturgeon, Wassim Kassouf
Background: Local control following trimodality therapy (TMT) for muscle-invasive bladder cancer (MIBC) requires further optimization. Objective: Evaluating the biologic endpoint, feasibility, and toxicity of integrating everolimus to TMT in patients with MIBC. Methods: This was a phase I trial in patients with MIBC who were not surgical candidates or who refused cystectomy. Following maximal transurethral tumor resection, patients were treated by radiotherapy (50 Gy/20 fractions), gemcitabine (100 mg/m2/weekly) and escalating doses of everolimus (2...
April 27, 2017: Bladder Cancer
https://www.readbyqxmd.com/read/28515243/nccn-guidelines-update-evolving-radiation-therapy-recommendations-for-breast-cancer
#3
Kilian E Salerno
In the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines) for Breast Cancer, among adjuvant radiotherapy options for whole-breast irradiation after breast-conserving surgery, hypofractionation is preferred. For the use of accelerated partial-breast irradiation, the NCCN Guidelines have adopted the updated definition of "suitability" used by the American Society for Radiation Oncology. Regional nodal irradiation is indicated-either in the setting of breast-conserving surgery or after mastectomy-for women with ≥4 positive nodes and should be strongly considered for 1 to 3 positive lymph nodes and select patients with node-negative disease deemed at high risk for recurrence...
May 2017: Journal of the National Comprehensive Cancer Network: JNCCN
https://www.readbyqxmd.com/read/28502653/heart-sparing-radiotherapy-in-patients-with-breast-cancer-what-are-the-techniques-used-in-the-clinical-routine-a-pattern-of-practice-survey-in-the-german-speaking-countries
#4
Marciana-Nona Duma, Stefan Münch, Markus Oechsner, Stephanie E Combs
The aim of this study was to understand the practice of care in German-speaking countries with regard to heart-sparing radiotherapy techniques. Between August 2015 and September 2015, an e-mail/fax-based survey was sent to radiation oncology departments in Germany, Austria, and the German-speaking Switzerland. The questionnaire was divided into 3 chapters: a general chapter on the department, a chapter specific for heart-sparing techniques in patients with breast cancer, and a third chapter on personal beliefs on the topic of heart sparing in patients with breast cancer...
May 11, 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28501459/-cancer-radiotherapy-and-immune-system
#5
J P Nesseler, D Peiffert, G Vogin, P Nickers
Novel paradigms emerge in oncology today. Systemic treatments are more effective and diversified along with an increased life expectancy in oligometastatic patients. Stereotactic radiotherapy using hypofractionation opens new perspectives for local tumour control. The area of radiobiology has expanded with integration of tumour microenvironment in which radiation-induced inflammation mediators and immune system play a major role. Immunity checkpoints inhibitors experience a major development. This rapidly evolving field seems involved in the abscopal effects, especially when radiation is combined with checkpoints inhibitors, as demonstrated in numerous preclinical studies and several clinical trials...
May 10, 2017: Cancer Radiothérapie: Journal de la Société Française de Radiothérapie Oncologique
https://www.readbyqxmd.com/read/28500765/developing-bayesian-networks-from-a-dependency-layered-ontology-a-proof-of-concept-in-radiation-oncology
#6
Alan M Kalet, Jason N Doctor, John H Gennari, Mark H Phillips
PURPOSE: Bayesian networks (BNs) are graphical representations of probabilistic knowledge that offer normative reasoning under uncertainty and are well suited for use in medical domains. Traditional knowledge-based network development of BN topology requires that modeling experts establish relevant dependency links between domain concepts by searching and translating published literature, querying domain experts, or applying machine learning algorithms on data. For initial development these methods are time-intensive and this cost hinders the growth of BN applications in medical decision making...
May 13, 2017: Medical Physics
https://www.readbyqxmd.com/read/28490931/treatment-and-outcomes-for-glioblastoma-in-elderly-compared-with-non-elderly-patients-a-population-based-study
#7
E R Morgan, A Norman, K Laing, M D Seal
PURPOSE: Elderly patients make up a large percentage of the individuals newly diagnosed with glioblastoma (gbm), but they face particular challenges in tolerating standard therapy, and compared with younger patients, they experience significantly shorter survival. We set out to compare clinical characteristics, treatment patterns, and outcomes in a non-elderly group (<65 years) and an elderly group (≥65 years) of patients diagnosed with gbm. METHODS: This retrospective population-based study used a province-wide cancer registry to identify patients with a new diagnosis of gbm within a 6-year period (2006-2012)...
April 2017: Current Oncology
https://www.readbyqxmd.com/read/28470944/patterns-of-practice-survey-for-brachytherapy-for-cervix-cancer-in-australia-and-new-zealand
#8
Karen Lim, Sylvia van Dyk, Pearly Khaw, Jacqueline Veera, Linda Mileshkin, Lucy Ohanessian, Michelle Harrison, Shalini K Vinod
INTRODUCTION: The purpose of this survey was to explore the current patterns of practice for brachytherapy in cervix cancer in Australia and New Zealand. The survey was also intended to explore clinician attitudes towards image-guided adaptive brachytherapy (IGABT) and identify barriers to the implementation of IGABT. METHODS: Electronic surveys were sent to all radiotherapy centres in Australia and New Zealand under collaboration with Australia New Zealand Gynaecology and Oncology Group (ANZGOG), in order to identify patterns of radiotherapy practice...
May 4, 2017: Journal of Medical Imaging and Radiation Oncology
https://www.readbyqxmd.com/read/28469334/clinical-profile-of-pediatric-oncology-patients-treated-by-external-beam-radiotherapy-an-institutional-experience
#9
Virender Suhag, B S Sunita, Pankaj Vats, Arti Sarin, A K Singh, Mayuri Jain
INTRODUCTION: Pediatric tumors are a heterogeneous group of malignant conditions requiring multimodal treatment, and management of such cases is at time challenging. We present the clinical profile of pediatric cancer patients who received radiation, either alone or as adjuvant to surgery and chemotherapy; in prophylactic, radical or palliative clinical setting. AIM: This study was envisaged to review our experience of pediatric oncology cases, their clinical and morphological profile, dosage schedule of radiotherapy, and the therapy induced complications...
January 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/28462790/contemporary-spinal-oncology-treatment-paradigms-and-outcomes-for-metastatic-tumors-to-the-spine-a-systematic-review-of-breast-prostate-renal-and-lung-metastases
#10
REVIEW
Amy Yao, Christopher A Sarkiss, Travis R Ladner, Arthur L Jenkins
Metastatic spinal disease most frequently arises from carcinomas of the breast, lung, prostate, and kidney. Management of spinal metastases (SpM) is controversial in the literature. Recent studies advocate more aggressive surgical resection than older studies which called for radiation therapy alone, challenging previously held beliefs in conservative therapy. A literature search of the PubMed database was performed for spinal oncology outcome studies published in the English language between 2006 and 2016...
April 24, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28458967/improved-head-and-neck-free-flap-outcome-effects-of-a-treatment-protocol-adjustment-from-pre-to-postoperative-radiotherapy
#11
Martin Halle, Bjorn O Eriksson, Ann-Charlott Docherty Skogh, Pehr Sommar, Lalle Hammarstedt, Caroline Gahm
BACKGROUND: The impact of preoperative radiotherapy on microvascular reconstructive surgery outcome has been a subject of debate. However, data are conflicting and often dependent on local treatment protocols. We have studied the effects of radiotherapy in a unique, single-center setting where a treatment protocol change was undertaken from pre- to postoperative radiotherapy administration for microsurgical head and neck reconstructions. METHODS: A cohort study was conducted for 200 consecutive head and neck free flap cases, where 100 were operated on before and 100 after the treatment protocol adjustment in 2006...
March 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28447257/recent-developments-in-radiotherapy-for-small-cell-lung-cancer-a-review-by-the-oncologic-group-for-the-study-of-lung-cancer-spanish-radiation-oncology-society
#12
REVIEW
N Rodriguez de Dios, P Calvo, M Rico, M Martín, F Couñago, A Sotoca, B Taboada, A Rodríguez
Small-cell lung cancer (SCLC) accounts for 13% of all lung tumours. The standard treatment in patients with limited-stage disease is radiotherapy combined with chemotherapy. In extensive SCLC, the importance of consolidation thoracic radiotherapy in patients with a good treatment response has become increasingly recognized. In both limited and extensive disease, prophylactic cranial irradiation is recommended in patients who respond to treatment. New therapeutic approaches such as immunotherapy are being increasingly incorporated into the treatment of SCLC, although more slowly than in non-small cell lung cancer (NSCLC)...
April 26, 2017: Clinical & Translational Oncology
https://www.readbyqxmd.com/read/28447024/following-the-preclinical-data-leveraging-the-abscopal-effect-more-efficaciously
#13
Wilfred Ngwa, Zi Ouyang
Radiotherapy is employed in the treatment of over 50% of cancer patients. However, this therapy approach is limited to mainly treating localized disease. In 1953, Mole described the remarkable abscopal effect, whereby, localized radiotherapy of a patient's primary tumor might engender regression of cancer at distant sites, which were not irradiated. Current consensus is that if the abscopal effect can be efficaciously leveraged, it would transform the field of radiation oncology, extending the use of radiotherapy to treatment of both localized and metastatic disease...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28434797/patterns-of-care-survey-radiotherapy-for-women-with-locally-advanced-cervical-cancer
#14
Peter de Boer, Ina M Jürgenliemk-Schulz, Henrike Westerveld, Astrid A C de Leeuw, Raquel Dávila-Fajardo, Coen R N Rasch, Bradley R Pieters, Lukas J A Stalpers
BACKGROUND AND PURPOSE: Regarding latest developments, the need of a radiotherapy 'Patterns of Care' survey was expressed by the Dutch National Platform Radiotherapy for Gynaecological Cancer (LPRGT). Therefore, this study investigated current practice for cervical cancer in all 16 radiation oncology centres in the Netherlands specialised in gynaecological oncology. MATERIAL AND METHODS: A structured 'patterns of care' questionnaire was completed and followed by an in-depth interview with radiation oncologists from all radiotherapy centres specialised in gynaecological oncology...
May 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28433413/stereotactic-ablative-radiotherapy-in-the-treatment-of-low-and-intermediate-risk-prostate-cancer-is-there-an-optimal-dose
#15
Joelle Helou, Laura D'Alimonte, Harvey Quon, Andrea Deabreu, Kristina Commisso, Patrick Cheung, William Chu, Alexandre Mamedov, Melanie Davidson, Ananth Ravi, Andrew Loblaw
PURPOSE: To investigate if stereotactic ablative radiotherapy (SABR) dose is associated with PSA at 3years (PSA3y) in the treatment of localized prostate cancer and to explore predictors of late genitourinary (GU) toxicity. MATERIALS AND METHODS: Three prospective trials of SABR were undertaken at our institution: 1) 35Gy/5 fractions/29days; 2) 40Gy/5 fractions/29days; 3) 40Gy/5 fractions/11 or 29days. PSA3y was analyzed as a continuous variable. Toxicity was defined as the worst new toxicity and assessed using the radiation therapy oncology group (RTOG) late morbidity scheme...
April 19, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28421162/r-ideal-a-framework-for-systematic-clinical-evaluation-of-technical-innovations-in-radiation-oncology
#16
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/28416260/late-genitourinary-toxicity-outcomes-in-300-prostate-cancer-patients-treated-with-dose-escalated-image-guided-intensity-modulated-radiotherapy
#17
K Byrne, G Hruby, A Kneebone, D Whalley, L Guo, P McCloud, T Eade
AIMS: To quantify and qualify late genitourinary toxicity in a cohort of patients with localised prostate cancer treated with image-guided intensity-modulated radiotherapy (IMRT) to doses ≥78 Gy. MATERIALS AND METHODS: The cohort consisted of 300 patients treated with definitive dose-escalated IMRT between 2007 and 2013. Ninety-seven patients received 78-80 Gy in 38 fractions, and 203 received 82-84 Gy in 40 fractions. International Prostate Symptoms Score (IPSS) and supplemental quality of life data were recorded at baseline, weekly during treatment and at follow-up...
April 14, 2017: Clinical Oncology: a Journal of the Royal College of Radiologists
https://www.readbyqxmd.com/read/28410011/propensity-score-analysis-of-radical-cystectomy-versus-bladder-sparing-trimodal-therapy-in-the-setting-of-a-multidisciplinary-bladder-cancer-clinic
#18
Girish S Kulkarni, Thomas Hermanns, Yanliang Wei, Bimal Bhindi, Raj Satkunasivam, Paul Athanasopoulos, Peter J Bostrom, Cynthia Kuk, Kathy Li, Arnoud J Templeton, Srikala S Sridhar, Theodorus H van der Kwast, Peter Chung, Robert G Bristow, Michael Milosevic, Padraig Warde, Neil E Fleshner, Michael A S Jewett, Shaheena Bashir, Alexandre R Zlotta
Purpose Multidisciplinary management improves complex treatment decision making in cancer care, but its impact for bladder cancer (BC) has not been documented. Although radical cystectomy (RC) currently is viewed as the standard of care for muscle-invasive bladder cancer (MIBC), radiotherapy-based, bladder-sparing trimodal therapy (TMT) that combines transurethral resection of bladder tumor, chemotherapy for radiation sensitization, and external beam radiotherapy has emerged as a valid treatment option. In the absence of randomized studies, this study compared the oncologic outcomes between patients treated with RC or TMT by using a propensity score matched-cohort analysis...
April 14, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28400176/a-novel-method-to-evaluate-salivary-flow-rates-of-head-and-neck-cancer-patients-after-radiotherapy-a-pilot-study
#19
Luiz Felipe Palma, Fernanda Aurora Stabile Gonnelli, Marcelo Marcucci, Adelmo José Giordani, Rodrigo Souza Dias, Roberto Araújo Segreto, Helena Regina Comodo Segreto
INTRODUCTION: The procedure used to evaluate salivary flow rate is called sialometry. It can be performed through several techniques, but none appears to be really efficient for post-radiotherapy patients. OBJECTIVE: To adequate sialometry tests for head and neck cancer patients submitted to radiotherapy. METHODS: 22 xerostomic patients post-radiotherapy (total radiation dose ranging from 60 to 70Gy) were included in this study. Ten patients were evaluated using sialometries originally proposed by the Radiation Therapy Oncology Group and twelve were assessed by our modified methods...
March 25, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/28391984/-french-national-survey-on-incoming-phone-calls-in-oncology-departments
#20
Florence Joly, Aline Guillot, Yann-Alexandre Vano, Dominique Spaeth, Delphine Topart, Pascal Roffet, Rachid El Amarti, Ali Hasbini, Aude Fléchon
INTRODUCTION: Oral therapies have shifted the follow-up of patients with cancer from hospital to home. As a consequence, the number of incoming calls has increased. To understand the source, reasons, management and burden of calls, we underwent a French national survey. The objective was to describe the way calls are managed in oncology departments. METHODS: The study was a prospective survey in a representative sample of French oncology specialists using oral therapies...
April 6, 2017: Bulletin du Cancer
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