نتایج جستجو برای: electronic brachytherapy
تعداد نتایج: 233407 فیلتر نتایج به سال:
Abstract In this work, a methodology to determine the absorbed dose rate water distribution from electronic brachytherapy (eBT) units is suggested. It involves measuring directly in full scatter tank with small active detectors whose energy response at low X-ray photon energies have been previously characterized. Dose distributions of an INTRABEAM PRS 500 system two configurations — bare needle...
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 and purpose: Dose calculations in trachea HDR brachytherapy treatment planning systems are greatly based on TG-43 protocol in which, all materials including air inside trachea are treated the same as water. The aim of this study was to survey the effect of air on dose calculations of Flexiplan treatment planning system in trachea HDR brachytherapy. Materials and methods: To ev...
Introduction: Brachytherapy is one type of internal radiation therapy where radiation sources, which are usually encapsulated, are placed as close as possible to the tumor site or inside the patient's body. In this technique, it is important to determine dose distribution around the brachytherapy capsule to create optimal treatment plant. In this way, dosimetric parameters are...
The theme of the conference was " Brachytherapy – an Immortal Art ". The pre-conference workshop (26 th August 2016) was conducted at Cancer Institute (WIA), Adyar, Chennai. The workshop included live hands-on demonstration of interstitial brachyther-apy procedures for oropharyngeal cancer (base of tongue), and intra-operative brachytherapy for soft tissue sarcoma of gluteal region. The procedu...
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