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Radiation oncology,radiotherapy

Laura Curr Beamer, Marcia Grant
PURPOSE: The purpose of this pilot study was to explore the relationship between skin-related quality of life (SR-QOL) and global quality of life (G-QOL) among women experiencing breast radiodermatitis, measure change in SR-QOL and G-QOL between the start and fifth week on radiotherapy, and examine the trend in SR-QOL and severity of radiodermatitis over time on treatment. METHODS: A descriptive longitudinal study using repeated measurements was implemented. Forty women undergoing whole breast 3-dimensional conformal radiotherapy at a comprehensive community cancer center completed the Dermatology Life Quality Index (DLQI) weekly and Quality of Life-Breast Cancer Patient Version at baseline before and at five weeks on radiotherapy...
April 2018: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
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
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
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
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
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
Hosein Azimian, Mahdieh Dayyani, Mohammad Taghi Bahreyni Toossi, Mahmoud Mahmoudi
Objectives: Radiotherapy is one of the most effective modalities of cancer therapy, but clinical responses of individual patients varies considerably. To enhance treatment efficiency it is essential to implement an individual-based treatment. The aim of present study was to identify the mechanism of intrinsic apoptosis pathway on radiosensitivity and normal tissue complications caused by the radiotherapy. Materials and Methods: Peripheral blood mononuclear cells from ten breast cancer patients were exposed to 6MV X-rays to deliver 1 and 2 Gy...
March 2018: Iranian Journal of Basic Medical Sciences
Krupal B Patel, Anthony C Nichols, Kevin Fung, John Yoo, S Danielle MacNeil
OBJECTIVES: For early stage supraglottic squamous cell carcinoma (SCC), single modality treatment either in the form of primary organ preservation surgery alone or radiation alone is recommended. Thus, a definite treatment strategy for early stage supraglottic SCC remains undefined. The primary objective of this study was to conduct a systematic review and meta-analysis comparing the oncologic outcomes of surgery and radiotherapy in early stage (Stage I and II) T1 N0 and T2 N0 supraglottic SCC...
March 5, 2018: Journal of Otolaryngology—Head & Neck Surgery
Abdelfettah Zidane, Adil Arsalane, Mohammed Lahkim, Issam Lalya, Abderrahim Ktaibi, Ismail Essadi
BACKGROUND: Radiotherapy associated with chemotherapy is a well-established treatment modality for locally advanced non-small cell lung cancers. Radiation-induced second malignancies, particularly radiation-induced sarcomas, are rare. Some authors reported a recent increase in the incidence of this rare complication, especially because of the improved prognosis and survival of patients after radiotherapy. Pathogenic mechanisms of radiation-induced sarcomas are poorly understood. However, diagnosis criteria are well established...
March 5, 2018: Journal of Medical Case Reports
Aglaia Domouchtsidou, Vahé Barsegian, Stefan P Mueller, Jan Best, Judith Ertle, Sotiria Bedreli, Peter A Horn, Andreas Bockisch, Monika Lindemann
The purpose of our study was to assess the immune function of patients with inoperable hepatic malignancies after treatment with selective internal radiotherapy (SIRT) and to identify possible correlations with clinical parameters. In 25 patients receiving SIRT lymphocyte proliferation and the production of pro- and anti-inflammatory cytokines (interferon-γ and interleukin-10) after stimulation with mitogens and microbial antigens were tested prior to therapy, directly after therapy (day 1) and at day 2, 7 and 28 post therapy using the lymphocyte transformation test and enzyme-linked immunospot assays...
March 2, 2018: Cancer Immunology, Immunotherapy: CII
Sophie Poty, Lynn C Francesconi, Michael Robert McDevitt, Michael J Morris, Jason S Lewis
The use of radioactive sources to deliver cytotoxic ionizing radiation to disease sites dates back to the early 20th century, with the discovery of radium and its physiological effects. Alpha-emitters are of particular interest in the field of clinical oncology for radiotherapy applications. The first part of this review explored α-emitting radionuclides' basic radiochemistry, high cell-killing potency, and availability, together with hurdles such as radiolabeling methods and daughter redistribution. The second part of this review will give an overview of the most promising and current uses of α-emitters in preclinical and clinical studies...
March 1, 2018: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
Nathalie Donis, Cécile Oury, Marie Moonen, Patrizio Lancellotti
Available data indicate that survivors of breast cancer and Hodgkin lymphoma who received mediastinal radiotherapy are at increased risk of developing radiation-induced cardiovascular diseases (RICVD) one or two decades after treatment. Although the risk with modern radiation treatment is likely to be lower in these patient groups, cardiotoxicity is still observed in a subset of patients. In addition, radiation-associated cardiovascular complications can, in the future, extend to other groups of cancer patients who are treated for tumors that are localized near the heart...
March 1, 2018: Expert Opinion on Pharmacotherapy
Kazuhiko Hayashi, Masashi Koto, Yusuke Demizu, Jun-Ichi Saitoh, Hiroaki Suefuji, Tomoaki Okimoto, Tatsuya Ohno, Yoshiyuki Shioyama, Ryo Takagi, Hiroaki Ikawa, Kenji Nemoto, Takashi Nakano, Tadashi Kamada
A retrospective multicenter study was conducted to assess the clinical outcomes of carbon-ion radiotherapy for head and neck malignancies (Japan Carbon-Ion Radiation Oncology Study Group [J-CROS] study: 1402 HN). We evaluated the safety and efficacy of carbon-ion radiotherapy in patients with major salivary gland carcinoma. Sixty-nine patients treated with carbon-ion radiotherapy at 4 Japanese institutions were analyzed. Thirty-three patients (48%) had adenoid cystic carcinomas, 10 (14%) had mucoepidermoid carcinomas, and 26 (38%) had other disease types...
March 1, 2018: Cancer Science
Daniel F Craft, Stephen F Kry, Peter Balter, Mohammad Salehpour, Wendy Woodward, Rebecca M Howell
PURPOSE: Using 3D printing to fabricate patient-specific devices such as tissue compensators, boluses, and phantoms is inexpensive and relatively simple. However, most 3D printing materials have not been well characterized, including their radiologic tissue-equivalence. The purposes of this study were to (1) determine the variance in Hounsfield Units (HU) for printed objects, (2) determine if HU varies over time, and (3) calculate the clinical dose uncertainty caused by these material variations...
March 1, 2018: Medical Physics
Hiroaki Suefuji, Masashi Koto, Yusuke Demizu, Jun-Ichi Saitoh, Yoshiyuki Shioyama, Hiroshi Tsuji, Tomoaki Okimoto, Tatsuya Ohno, Kenji Nemoto, Takashi Nakano, Tadashi Kamada
The purpose was to evaluate efficacy and safety of carbon ion radiotherapy (C-ion RT) in patients with locally advanced olfactory neuroblastomas (ONBs). This study was a sub-analysis of the Japan Carbon-Ion Radiation Oncology Study Group Study (1402 HN, UMIN000024473). Clinical data of T4 ONBs treated with C-ion RT at four Institutions between November 2003 and December 2014 were retrospectively reviewed. Twenty-one patients underwent C-ion RT. Seven patients had T4a and 14 had T4b tumours without cervical node metastases...
March 2018: Anticancer Research
Eleftheria Alexopoulou, Theodora Katsila, Maria Tolia, Nikolaos Tsoukalas, Michael Leontsinidis, George Kyrgias, Vasilios Kouloulias, George P Patrinos, Despoina Spyropoulou, Dimitrios Kardamakis
BACKGROUND/AIM: Radiation dermatitis is observed in 95% of breast cancer patients receiving radiotherapy. The aim of this study was to explore the correlation between protein expression in tumor cells and the risk of developing radiation dermatitis. PATIENTS AND METHODS: Breast cancer patients receiving postoperative radiotherapy were included in this study. Tumor specimens from 122 patients were examined by immunohistochemistry for the expression of Ki67, ataxia telangiectasia mutated (ATM) kinase, hypoxia-inducible factor-1-alpha (HIF-1a), inducible nitric oxide synthase (iNOS), and a-glucosidase (aGluc)...
March 2018: Anticancer Research
Pierre-Yves McLaughlin, Weidong Kong, Catherine de Metz, Timothy P Hanna, Michael Brundage, Padraig Warde, Eric Gutierrez, William J Mackillop
BACKGROUND AND PURPOSE: The scope and effect of radiation oncology (RO) outreach activities within centralized radiotherapy (RT) systems is poorly defined. The purpose of this study was to describe the outreach activities of Ontario's regional cancer centres, and to explore the relationship between radiation oncology (RO) outreach clinics and rates of radiotherapy (RT) utilization at hospitals without RT on site (HWOS-RT). MATERIALS AND METHODS: Ontario RO centres' outreach activities were identified by semi-structured interview...
February 22, 2018: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
Ester Orlandi, Salvatore Alfieri, Christian Simon, Annalisa Trama, Lisa Licitra
Head and neck cancer (HNC) is a rare disease that can affect different sites and is characterized by variable incidence and 5-year survival rates across Europe. Multiple factors need to be considered when choosing the most appropriate treatment for HNC patients, such as age, comorbidities, social issues, and especially whether to prefer surgery or radiation-based protocols. Given the complexity of this scenario, the creation of a highly specialized multidisciplinary team is recommended to guarantee the best oncological outcome and prevent or adequately treat any adverse effect...
February 14, 2018: European Journal of Surgical Oncology
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