Ofuna Chuo Hospital Delivers First Varian Halcyon System Treatments in Japan

PALO ALTO, Calif., April 29, 2019 /PRNewswire/ -- Varian (NYSE: VAR) today announced Ofuna Chuo Hospital, Kamakura City, Kanagawa Prefecture, Japan is the first clinic in the country to begin treating cancer patients using the Halcyon™ radiotherapy system. The Halcyon system simplifies and enhances virtually every aspect of image-guided volumetric intensity-modulated radiotherapy (IMRT), including improved patient comfort and shortening the time from installation to...This story is related to the following:Radiotherapy Systems
Source: Industrial Newsroom - Health, Medical and Dental Supplies - Category: Medical Devices Source Type: news

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This year's ASCO is virtual. Any interesting abstracts seen? Meeting Library | Meeting Library meetinglibrary.asco.org Proven benefit of IMRT to spare swallowing function in H&N cancer Meeting Library | Meeting Library meetinglibrary.asco.org Randomized dose deescalation after TORS for P16 H&N cancer Meeting Library | Meeting Library ...
Source: Student Doctor Network - Category: Universities & Medical Training Authors: Tags: Radiation Oncology Source Type: forums
Condition:   Head and Neck Squamous Cell Carcinoma Intervention:   Radiation: Intensity-modulated Radiation Therapy (IMRT) Sponsor:   University of Texas Southwestern Medical Center Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials
Conclusion: Neoadjuvant therapy for borderline resectable and resectable pancreatic ductal adenocarcinoma with CRT facilitated R0 resection in 84% patients who underwent surgery.
Source: American Journal of Clinical Oncology - Category: Cancer & Oncology Tags: Original Articles: Gastrointestinal Source Type: research
ConclusionAfter great improvements in rectal cancer treatment, late gastrointestinal toxicity after radiotherapy is experienced less frequent and less severe; however, it remains a great concern associated with worse quality of life.
Source: International Journal of Colorectal Disease - Category: Gastroenterology Source Type: research
The use of a specific treatment technique in radiation therapy is mainly motivated by the achievable dose conformity to the target and the overall integral dose. Proton therapy offers a highly conformal and comprehensive treatment option with a lower integral dose (reduced low-dose bath) to organs at risk (OARs). Consequently, given the proximity of cardiopulmonary structures, proton therapy has been discussed as a treatment alternative for breast cancer patients [1 –3]. Treatment planning studies, comparing 3DCRT, IMRT, and proton therapy when irradiating the breast and regional nodes showed advantages of using prot...
Source: Radiotherapy and Oncology - Category: Radiology Authors: Tags: Original Article Source Type: research
Conclusions: Probabilistic dose-escalated IMRT was feasible in this prospective study. Comparison of the CovP-concept with PTV-based IMRT revealed superiority with regard to target-coverage and sparing of OARs. The CovP-concept implements a robust plan optimization strategy for organ deformation and motions and could, therefore, serve as a less demanding compromise on the way to adaptive IGRT avoiding daily time-consuming re-planning. SUMMARYWe evaluated the robustness of coverage probability (CovP)-based IMRT plans within a prospective study for prostate cancer radiotherapy. The treatment plans were compared with newly ca...
Source: Acta Oncologica - Category: Cancer & Oncology Authors: Tags: Acta Oncol Source Type: research
Conclusions: A system for fully automated multi-criterial planning for a 1.5 T MR-Linac was developed and tested for rectal cancer patients. Automated planning resulted in major reductions in planning workload and time, while plan quality improved. Negative impact of the high magnetic field on the dose distributions could be avoided. PMID: 32436450 [PubMed - as supplied by publisher]
Source: Acta Oncologica - Category: Cancer & Oncology Authors: Tags: Acta Oncol Source Type: research
Authors: Li KL, Lin JP, Chen YC, Lu CC Abstract During radiotherapy for head and neck tumours, the oral cavity and cheek area would be inevitably exposed to high energy radiation; thus, the material surface of the teeth, dental restorations with high atomic number, or alloy prosthodontics would generate backscatter electrons that cause the buccal mucosa adjacent to these materials to receive localized high dose enhancement, which primarily leads to side effects or oral mucositis. Based on the size of the adult oral cavity, this study aimed to use acrylic resin to create an oral phantom with two grooves on the left ...
Source: Journal of X-Ray Science and Technology - Category: Radiology Tags: J Xray Sci Technol Source Type: research
Abstract PURPOSE: Using a 200 Head and Neck cancer (HNC) patient cohort, we employ patient similarity based on tumor location, volume, and proximity to organs at risk to predict radiation-associated dysphagia (RAD) in a new patient receiving intensity modulated radiation therapy (IMRT). MATERIAL AND METHODS: All patients were treated using curative-intent IMRT. Anatomical features were extracted from contrast-enhanced tomography scans acquired pre-treatment. Patient similarity was computed using a topological similarity measure, which allowed for the prediction of normal tissues' mean doses. We performed feat...
Source: Radiotherapy and Oncology : journal of the European Society for Therapeutic Radiology and Oncology - Category: Radiology Authors: Tags: Radiother Oncol Source Type: research
Authors: Konat-Bąska K, Chicheł A, Staszek-Szewczyk U, Maciejczyk A, Matkowski R Abstract Purpose: Prostate and colorectal cancers are the first and the third most popular malignancies in male population, in which some patients may develop these tumors metachronously or synchronously. At present, there are no standard recommendations, and oncologists need to provide an optimal management for two different cancers with an acceptable risk of possible treatment of adverse effects. Material and methods: This case report presents the treatment of a 61-year-old patient suffering from synchronous prostate and rectal...
Source: Journal of Contemporary Brachytherapy - Category: Cancer & Oncology Tags: J Contemp Brachytherapy Source Type: research
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