نتایج جستجو برای: electronic brachytherapy

تعداد نتایج: 233407  

2017
Barat Barati Mansour Zabihzadeh Mohammad Javad Tahmasebi Birgani Nahid Chegini Mojtaba Hoseini Ghahfarokhi Jafar Fatahiasl

INTRODUCTION Since the heart of the electronic brachytherapy system is a tube of a miniature x-ray and due to the increasing use of electronic brachytherapy, there is an urgent need for acquiring knowledge about the X-ray spectrum produced, and distribution of x-ray dose. This study aimed to assess the optimal target thickness (TT), the X-ray source spectrum, and the absorbed dose of two miniat...

2017
Tatjana Paunesku Gayle E. Woloschak

The use of intraoperative radiation therapy (IORT) is increasing with the development of new devices for patient treatment that allow irradiation without the need to move the patient from the surgical table. At the moment, ionizing radiation in the course of IORT is supported most often by the use of mobile devices that produce electrons, kilo voltage X-rays, and electronic brachytherapy and th...

2014
Stephen M Seltzer Michelle O’Brien Michael G Mitch

The new primary standard for low-energy electronic brachytherapy sources for the United States is described. These miniature x-ray tubes are inserted in catheters for interstitial radiation therapy and operate at tube potentials of up to about 50 kV. The standard is based on the realization of the air kerma produced by the x-ray beam at a reference distance in air of 50 cm.

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