نتایج جستجو برای: HighDoseRate Brachytherapy
تعداد نتایج: 7959 فیلتر نتایج به سال:
PURPOSEImage-guided adaptive brachytherapy (IGABT) recently has shown excellent clinical outcomes with superior local control and less toxicity. For IGABT, T2W (T2-weighted) MRI is the gold standard. However, studies have that target delineation same results in uncertainties, poor interobserver variabilities, low conformity indices for high-risk volume contours. In this study, we investigate ro...
Brachytherapy reduces the post radiation sequalae as dose required is lower than external beam therapy (EBRT) and limits area of exposure. This case report outlines two different patients managed by fabrication carrier prosthesis for duration brachytherapy.
introduction in this study, we aimed to calculate dose enhancement factor (def) for gold (au) and iron (fe) nanoparticles (nps) in brachytherapy and teletherapy, using monte carlo (mc) method. materials and methods in this study, a new algorithm was introduced to calculate dose enhancement by aunps and fenps for iridium-192 (ir-192) brachytherapy and cobalt-60 (co-60) teletherapy sources, using...
Background: Toxicity assessment is done by comparing HDR brachytherapy with ICRU point doses. D2cc doses of OAR in slightly more than Objectives:The primary objective volumetric dose and toxicity comparison between brachytherapy. Materials Methods: It a prospective comparative study. The total number patients enrolled the study 20. After obtaining informed consent, then were All diagnosed H.P.E...
BACKGROUND We reviewed the outcomes of oropharyngeal squamous cell carcinoma treated with external beam radiation and interstitial brachytherapy. METHODS Ninety patients with squamous cell carcinoma of the oropharynx were treated with interstitial brachytherapy at the University of Utah between 1984 and 2001. Seventy-two patients received external beam radiotherapy (EBRT) followed by brachyth...
OBJECTIVE The aim of the present study was to acquire information on brachytherapy resources in Korea through a national survey of radiation oncologists. METHODS Between October 2014 and January 2015, a questionnaire on the current status of brachytherapy was distributed to all 86 radiation oncology departments in Korea. The questionnaire was divided into sections querying general information...
On the other hand, brachytherapy combined with external beam irradiation is not a good therapeutic approach in advanced disease because, in this case, the brachytherapy target volume would be by definition identical for a primary brachytherapy and/or for a brachytherapy boost. (8,11) For any tumour size, the combination of external beam irradiation and brachytherapy boost yields worse results t...
The American Brachytherapy Society (ABS) and its membership seeks to benefit patients by promoting the highest possible standard for brachytherapy practice, support health care professionals through the encouragement of state of the art technology and education, promote clinical and laboratory research, and advocate for the socioeconomic aspects of brachytherapy. The 2017 ABS Annual Meeting too...
Partial breast irradiation (PBI) by either brachytherapy or external beam (EB) therapy is frequently used for the treatment of certain populations of breast cancer patients. The claim that brachytherapy is better than EB for PBI is the Proposition debated here. Advantages claimed for brachytherapy for PBI include: • brachytherapy is associated with smaller treatment volumes, lower integral dose...
SCIENTIFIC BACKGROUND Percutaneous transluminal angioplasties (PTA) through balloon dilatation with or without stenting, i.e. vessel expansion through balloons with or without of implantation of small tubes, called stents, are used in the treatment of peripheral artery occlusive disease (PAOD). The intravascular vessel irradiation, called intravascular brachytherapy, promises a reduction in the...
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