نتایج جستجو برای: superficial radiotherapy
تعداد نتایج: 89065 فیلتر نتایج به سال:
background and purpose: candida species are the most common organisms involved in superficial fungal infections, worldwide. although econazole is among the most frequently used topical formulations for the treatment of candidiasis, no information is available regarding the susceptibility profiles of candida species in iran. materials and methods: in vitro susceptibility of 100 clinical candida ...
BACKGROUND Intracavitary brachytherapy (ICBT) is usually applied as boost radiotherapy for superficial residual of nasopharyngeal carcinoma (NPC) after primary extern-beam radiptherapy (ERT). Here, we evaluated the outcome of endoscope-guided interstitial intensity-modulated brachytherapy (IMBT) boost radiation for deep-seated residual NPC. METHODOLOGY/PRINCIPAL FINDINGS Two hundred and thirt...
The aim of this work is to develop and investigate an inverse treatment planning process (TPP) for mixed beam radiotherapy (MBRT) capable of performing simultaneous optimization of photon and electron apertures. A simulated annealing based direct aperture optimization (DAO) is implemented to perform simultaneous optimization of photon and electron apertures, both shaped with the photon multilea...
PURPOSE Randomized clinical trials have demonstrated hyperthermia (HT) enhances radiation response. These trials, however, generally lacked rigorous thermal dose prescription and administration. We report the final results of a prospective randomized trial of superficial tumors (</= 3 cm depth) comparing radiotherapy versus HT combined with radiotherapy, using the parameter describing the numbe...
Abstract Shielded garments are widely recommended for occupational radiation protection in diagnostic and interventional radiology. This study investigated a novel method efficiently verifying shielded garment integrity while simultaneously acquiring data lead-equivalence measurements, using two-dimensional topogram images from computed tomography (CT) scanners. was tested against more-conventi...
The purpose of this study was to empirically characterize and validate a kilovoltage (kV) X-ray beam source model of a superficial X-ray unit for relative dose calculations in water and assess the accuracy of the British Journal of Radiology Supplement 25 (BJR 25) percentage depth dose (PDD) data. We measured central axis PDDs and dose profiles using an Xstrahl 150 X-ray system. We also compare...
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