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https://www.readbyqxmd.com/read/28075197/validation-of-an-established-prognostic-score-after-re-irradiation-of-recurrent-glioma
#1
Kerstin A Kessel, Josefine Hesse, Christoph Straube, Claus Zimmer, Friederike Schmidt-Graf, Jürgen Schlegel, Bernhard Meyer, Stephanie E Combs
BACKGROUND: Re-irradiation (Re-RT) is offered widely in clinical routine, and has been established as a key element in the treatment of recurrent gliomas. At our center, generally re-resection is performed widely by an experienced neurosurgical team. Thus, Re-RT mostly offered to patients with macroscopic residuals or irresectable lesions, is applied later compared to other centers. Therefore, we sought to validate the Combs Prognostic Score developed in 2012 using our independent patient cohort...
January 11, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28073946/a-randomized-phase-iii-trial-of-comparing-two-dose-fractionations-stereotactic-body-radiotherapy-sbrt-for-medically-inoperable-stage-ia-non-small-cell-lung-cancer-or-small-lung-lesions-clinically-diagnosed-as-primary-lung-cancer-japan-clinical-oncology-group
#2
EDITORIAL
Tomoki Kimura, Yasushi Nagata, Junko Eba, Shuichi Ozawa, Satoshi Ishikura, Taro Shibata, Yoshinori Ito, Masahiro Hiraoka, Yasumasa Nishimura
A randomized Phase III trial commenced in Japan in February 2016. Currently, 42 Gy in four fractions of stereotactic body radiotherapy prescribed at the D95% of the planning target volume, which is considered equal to the commonly used 48 Gy in four fractions at the isocenter using an old dose calculation algorithm, is the standard treatment in Japan for medically inoperable Stage IA non-small cell lung cancer and small lung lesions clinically diagnosed as primary lung cancer. This study aims to examine the superiority of 55 Gy in four fractions over 42 Gy in four fractions...
January 9, 2017: Japanese Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28068230/supply-and-demand-for-radiation-oncology-in-the-united-states-a-resident-perspective
#3
EDITORIAL
Lindsay M Burt, Daniel M Trifiletti, Nima Nabavizadeh, Leah M Katz, Zachary S Morris, Trevor J Royce
No abstract text is available yet for this article.
February 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28068229/the-red-beam-past-present-and-future-of-radiation-oncology-in-russia
#4
EDITORIAL
Anna Likhacheva, Timur Mitin, Evgeni Khmelevsky
No abstract text is available yet for this article.
February 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28063816/trends-in-the-use-of-implantable-accelerated-partial-breast-irradiation-for-ductal-carcinoma-in-situ-implications-of-the-recent-amendments-to-the-american-society-for-radiation-oncology-consensus-guidelines
#5
Waqar Haque, Vivek Verma, Anam Haque, E Brian Butler, Bin S Teh
PURPOSE: In 2009, the American Society for Radiation Oncology (ASTRO) published consensus recommendations that stated ductal carcinoma in situ (DCIS) patients were in a "cautionary" group for accelerated partial breast irradiation (APBI) and should not receive APBI outside of a clinical trial. However, very recently, ASTRO placed low-risk DCIS patients in the "suitable" category. Given this recent change, we aimed to use the Surveillance, Epidemiology, and End Results (SEER) database to evaluate past patterns of implantable APBI (IAPBI) utilization in women with DCIS...
January 4, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28057090/-ct-guidance-125-i-seed-implantation-for-pelvic-recurrent-rectal-cancer-assisted-by-3d-printing-individual-non-coplanar-template
#6
H Wang, J J Wang, Y L Jiang, S Q Tian, Z Ji, F X Guo, H T Sun, J H Fan, Y P Xu
Objective: To analyze the difference of dosimetric parameters between pre-plan and post-plan of (125)I radioactive seed implantation assisted by 3D printing individual non-coplanar template (3D printing template) for locally recurrent rectal cancer (LRRC). Methods: From February 2016 to April 2016, a total of 10 patients with locally recurrent rectal cancer received (125)I seeds implantation under CT guidance assisted by 3D printing template in Department of Radiation Oncology, Peking University Third Hospital...
December 20, 2016: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28054518/big-data-in-radiation-oncology
#7
EDITORIAL
Nagraj Huilgol
No abstract text is available yet for this article.
July 2016: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28050151/eastern-canadian-gastrointestinal-cancer-consensus-conference-2016
#8
D Bossé, T Ng, C Ahmad, A Alfakeeh, I Alruzug, J Biagi, J Brierley, P Chaudhury, S Cleary, B Colwell, C Cripps, L A Dawson, M Dorreen, E Ferland, P Galiatsatos, S Girard, S Gray, F Halwani, N Kopek, A Mahmud, G Martel, L Robillard, B Samson, M Seal, J Siddiqui, L Sideris, S Snow, M Thirwell, M Vickers, R Goodwin, R Goel, T Hsu, E Tsvetkova, B Ward, T Asmis
The annual Eastern Canadian Gastrointestinal Cancer Consensus Conference 2016 was held in Montreal, Quebec, 5-7 February. Experts in radiation oncology, medical oncology, surgical oncology, and infectious diseases involved in the management of patients with gastrointestinal malignancies participated in presentations and discussion sessions for the purpose of developing the recommendations presented here. This consensus statement addresses multiple topics: ■ Follow-up and survivorship of patients with resected colorectal cancer■ Indications for liver metastasectomy■ Treatment of oligometastases by stereotactic body radiation therapy■ Treatment of borderline resectable and unresectable pancreatic cancer■ Transarterial chemoembolization in hepatocellular carcinoma■ Infectious complications of antineoplastic agents...
December 2016: Current Oncology
https://www.readbyqxmd.com/read/28049550/gec-estro-acrop-recommendations-for-performing-bladder-sparing-treatment-with-brachytherapy-for-muscle-invasive-bladder-carcinoma
#9
Bradley R Pieters, Elzbieta van der Steen-Banasik, Geert A Smits, Marisol De Brabandere, Alberto Bossi, Erik Van Limbergen
The standard treatment for muscle-invasive bladder cancer (MIBC) is a radical cystectomy with pelvic lymph node dissection with or without neoadjuvant chemotherapy. In selected cases a bladder sparing approach is possible, for example a limited surgical excision combined with external beam radiotherapy and brachytherapy. To perform brachytherapy flexible catheters have to be implanted in the bladder wall. The implantation is done either by the open retropubic approach or the endoscopic surgical approach. The largest experience for brachytherapy is with low-dose rate and pulsed-dose rate, although some short-term experience with high-dose rate is also reported...
December 31, 2016: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28048916/mo-ab-204-02-ihe-rad
#10
J Seibert
: You've experienced the frustration: vendor A's device claims to work with vendor B's device, but the practice doesn't match the promise. Getting devices working together is the hidden art that Radiology and Radiation Oncology staff have to master. To assist with that difficult process, the Integrating the Healthcare Enterprise (IHE) effort was established in 1998, with the coordination of the Radiological Society of North America. Integrating the Healthcare Enterprise (IHE) is a consortium of healthcare professionals and industry partners focused on improving the way computer systems interconnect and exchange information...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048906/su-f-t-666-molecular-targeted-gold-nanorods-enhances-the-rbe-of-proton-therapy
#11
A Khoo, N Sahoo, S Krishnan, P Diagaradjane
PURPOSE: In recent years, proton beam radiation therapy (PBRT) has gained significant attention in the treatment of tumors in anatomically complex locations. However, the therapeutic benefit of PBRT is limited by a relative biological effectiveness (RBE) of just 1.1. The purpose of this study is to evaluate whether this limitation can be overcome by artificially enhancing the RBE using molecular-targeted gold nanorods (GNRs). METHODS: Molecular-targeting of GNRs was accomplished using Cetuximab (antibody specific to epidermal growth factor receptor that is over-expressed in tumors) conjugated GNRs (cGNRs) and their binding affinity to Head and Neck cancer cells was confirmed using dark field microscopy and Transmission Electron Microscopy (TEM)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048902/we-g-brc-00-experiences-with-tg100-in-clinical-use
#12
Grace Gwe-Ya Kim
: Failure Mode and Effects Analysis (FMEA) originated as an industrial engineering technique used for risk management and safety improvement of complex processes. In the context of radiotherapy, the AAPM Task Group 100 advocates FMEA as the framework of choice for establishing clinical quality management protocols. However, there is concern that widespread adoption of FMEA in radiation oncology will be hampered by the perception that implementation of the tool will have a steep learning curve, be extremely time consuming and labor intensive, and require additional resources...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048898/mo-fg-brc-03-design-and-construction-of-a-dielectiric-wall-accelerator
#13
D Westerly
Experimental research in medical physics has expanded the limits of our knowledge and provided novel imaging and therapy technologies for patients around the world. However, experimental efforts are challenging due to constraints in funding, space, time and other forms of institutional support. In this joint ESTRO-AAPM symposium, four exciting experimental projects from four different countries are highlighted. Each project is focused on a different aspect of radiation therapy. From the USA, we will hear about a new linear accelerator concept for more compact and efficient therapy devices...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048885/mo-d-brb-03-quality-assurance-of-sbrt
#14
J Roper
: Increased use of SBRT and hypofractionation in radiation oncology practice has posted a number of challenges to medical physicist, ranging from planning, image-guided patient setup and on-treatment monitoring, to quality assurance (QA) and dose delivery. This symposium is designed to provide current knowledge necessary for the safe and efficient implementation of SBRT in various linac platforms, including the emerging digital linacs equipped with high dose rate FFF beams. Issues related to 4D CT, PET and MRI simulations, 3D/4D CBCT guided patient setup, real-time image guidance during SBRT dose delivery using gated/un-gated VMAT/IMRT, and technical advancements in QA of SBRT (in particular, strategies dealing with high dose rate FFF beams) will be addressed...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048881/we-h-brb-02-where-do-we-stand-in-the-applications-of-big-data-in-radiation-oncology
#15
L Xing
: Big Data in Radiation Oncology: (1) Overview of the NIH 2015 Big Data Workshop, (2) Where do we stand in the applications of big data in radiation oncology?, and (3) Learning Health Systems for Radiation Oncology: Needs and Challenges for Future Success The overriding goal of this trio panel of presentations is to improve awareness of the wide ranging opportunities for big data impact on patient quality care and enhancing potential for research and collaboration opportunities with NIH and a host of new big data initiatives...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048829/th-d-204-01-the-pursuit-of-radiation-oncology-performance-excellence
#16
E Sternick
: The Malcolm Baldrige National Quality Improvement Act was signed into law in 1987 to advance U.S. business competitiveness and economic growth. Administered by the National Institute of Standards and Technology NIST, the Act created the Baldrige National Quality Program, now renamed the Baldrige Performance Excellence Program. The comprehensive analytical approaches referred to as the Baldrige Healthcare Criteria, are very well suited for the evaluation and sustainable improvement of radiation oncology management and operations...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048826/su-f-p-03-management-of-time-to-treatment-inititation-case-for-an-electronic-whiteboard
#17
N Adnani
PURPOSE: To determine if data mining of an electronic whiteboard improves the management of the Time to Treatment Initiation (TTI) in radiation oncology. METHODS: An electronic whiteboard designed to help in managing the planning workflow and improves communication regarding patient planning progress was used to record the dates at which each phase of the planning process began or completed. These are CT Sim date, Plan Start, Physician Review, Physicist Review, Approval for Treatment Delivery, Setup or Verification of Simulation...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048790/su-f-j-112-clinical-feasibility-test-of-an-rf-pulse-based-mri-method-for-the-quantitative-fat-water-segmentation
#18
S Yee, J Wloch, M Pirkola
PURPOSE: Quantitative fat-water segmentation is important not only because of the clinical utility of fat-suppressed MRI images in better detecting lesions of clinical significance (in the midst of bright fat signal) but also because of the possible physical need, in which CT-like images based on the materials' photon attenuation properties may have to be generated from MR images; particularly, as in the case of MR-only radiation oncology environment to obtain radiation dose calculation or as in the case of hybrid PET/MR modality to obtain attenuation correction map for the quantitative PET reconstruction...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048745/tu-d-brc-01-novel-applications-for-current-epid-technology
#19
J Rottmann
There has been increased deployment of gantry-mounted linacs with onboard kilovoltage x-ray imagers. Despite this trend, most clinics still employ beam's-eye-view (BEV) imaging using flat panel electronic portal imaging devices (EPIDs) as a highly useful means of verifying geometric localization pre- and post-delivery. In recent years, there has been increased interest in the use of EPIDs for a variety of clinical and investigational applications ranging from megavoltage cone-beam CT, in vivo dosimetry, patient-specific QA to real-time target localization for dynamic MLC-based tumor tracking...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048726/tu-d-201-01-2016-economics-update
#20
J Fontenot, W Fuss
The purpose of this session is to introduce attendees to the healthcare reimbursement system and how it applies to the clinical work of a medical physicist. This will include general information about the different categories of payers and payees, how work is described by CPT codes, and how various payers set values for this work in different clinical settings. 2016 is another year of significant changes to the payment system. This presentation will describe the work encompassed in these codes and will give attendees an overview of the changes for 2016 as they apply to radiation oncology...
June 2016: Medical Physics
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