PURPOSE Despite numerous advantages of radiochromic film dosimeter (high spatial resolution, near tissue equivalence, low energy dependence) to measure a relative dose distribution with film, one needs to first measure an absolute dose (following previously established reference dosimetry protocol) and then convert measured absolute dose values into relative doses. In this work, we present resu...

The Vidar use with r designed t work in th compared reported f resolution scattering artifact of eliminated the Red L the availa scanner y linear acc INTERNATIONAL SPECIALTY PRODUCTS 1361 Alps Road Wayne NJ 07470∙ Tel: 973-628-4000 rmance of the Vidar Red LED Dosimetry Pro AdvantageTM: r optimized for use with GAFCHROMIC EBT Dosimetry Film. avid F. Lewis, Ph.D., Senior Director, Advanced Materi...

One of the main objectives Secondary Standard Dosimetry Laboratory (SSDL) in radiotherapy dosimetry is verifying radiation dose provided to patients accurate and meets globally recognised standards. Properly calibrating therapy dosimeters used centres first step SSDL must take ensure this goal attained. This study analyses calibration coefficients long-term stability calibrated by Nuklear Malay...

A quantitative comparison of two full three-dimensional (3D) gel dosimetry techniques was assessed in a clinical setting: radiochromic gel dosimetry with an in-house developed optical laser CT scanner and polymer gel dosimetry with magnetic resonance imaging (MRI). To benchmark both gel dosimeters, they were exposed to a 6 MV photon beam and the depth dose was compared against a diamond detecto...

Radiotherapy clinical-trial quality assurance is a crucial yet challenging process. This note presents a tool that automatically extracts dose/volume statistics for determining dosimetry compliance review with improved efficiency and accuracy. A major objective of this study is to develop an automated solution for clinical-trial radiotherapy dosimetry review.

background: the global burden of sexually transmitted infections (stis) is noticeable and important. however, most stis are curable and all of them are preventable. in this article, we reviewed and evaluated sti prevalence, current services, existing programs, and the challenges of control and management them in iran. materials and methods: the author searched literature published from 2005 to ...

The purpose of this article is to provide an overview and practical guide to occupational health professionals concerning the derivation and use of dose estimates in risk assessment for development of occupational exposure limits (OELs) for inhaled substances. Dosimetry is the study and practice of measuring or estimating the internal dose of a substance in individuals or a population. Dosimetr...

Patient-specific image-based dosimetry is considered to be a useful tool to limit toxicity associated with peptide receptor radionuclide therapy (PRRT). To facilitate the establishment and reliability of absorbed-dose response relationships, it is essential to assess the accuracy of dosimetry in clinically realistic scenarios. To this end, we developed pharmacokinetic digital phantoms correspon...

The solid state active detectors, widely used for conventional radiotherapy, such as diamond detectors (DD) and diodes may be attractive tools also in dosimetry of therapeutic proton beams. Diodes are broadly applied in oncology clinics and routinely used for in-vivo dosimetry [1, 8]. These real-time detectors are rugged, relatively inexpensive and provide on-line readings, what allows for quic...

Kodak X-Omat V radiographic film has been tested for its polarization properties when using polarized and non-polarized light sources and detectors. The radiographic film has been shown to produce a relatively small but not negligible (less than 5%) variation in 90 degrees cycles in measured optical density within the visible spectrum when the light source is fully linear polarized and the film...