An Evaluation of Deviation from the International Atomic Energy Agency-International Commission on Radiological Protection Proposed Equation for Calculation of Radiation Dose Rate Emanating from the Patients with Differentiated Thyroid Cancer Undergoing Radioiodine (I-131) Therapy
- سال انتشار: 1398
- محل انتشار: دومین کنگره سالیانه کشوری دانشجویی طبری و بیست و دومین کنگره سالیانه کمیته تحقیقات دانشجویی دانشگاه علوم پزشکی مازندران
- کد COI اختصاصی: SRMMED22_297
- زبان مقاله: انگلیسی
- تعداد مشاهده: 411
نویسندگان
Mohammad hossein Jelodar Nasery
Student Research Committe,Behbahan Faculty of medical Science,Behbahan,Iran
Department of Radiology Technology, Behbahan Faculty of Medical Sciences, Behbahan, Iran
Student Research Committe,Behbahan Faculty of medical Science,Behbahan,Iran
Student Research Committe,Behbahan Faculty of medical Science,Behbahan,Iran
چکیده
The main purpose of this study was to investigate dose rate emanating from patients treated with 131I to evaluate which of the theoretical formulas, inverse-square law (ISL) and International Atomic Energy Agency-International Commission on Radiological Protection (IAEA-ICRP) suggested equation, can provide a sufficiently close approximation of the measured dose rate. Measurements were performed based on the IAEA safety report No. 63 method at 0, 12, 24, and 48 h after administration of radioiodine at a distance of 1 m for 69 patients and for the rest of 67 patients, dose rate was measured at 2, 4, 24, and 48 h at a distance of 2 m. Results revealed that the ISL formula gained better approximation of measured dose rates than the IAEA-ICRP equation with the lesser error. The ISL formula is still more reliable than the novel method of dose calculation in the vicinity of patients. This finding reminded us the prime importance of distance as a radiation protection principle.کلیدواژه ها
Differentiated thyroid cancer, inverse square law, iodine therapy, radiation protectionمقالات مرتبط جدید
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