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Updated: Dec 22, 2025

Irradiator Commissioning and Dosimetry for Assessment of LQ α and β Parameters, Radiation Dosing Schema, and in vivo Dose Deposition
Published on: March 11, 2021
Estimating brain radiation dose to the main operator in interventional radiology
William Jaramillo Garzón1,2, Gustavo Andrade3, Vinicius Saito Monteiro de Barros4
1Physics Department, Pedagogical and Technological University of Colombia, Avenida Central del Norte 39-115, 150003 Tunja, Colombia.
Abstract:
The aim of this study was to estimate brain radiation dose to the main operator during interventional radiology procedures. Occupational brain doses from 19 interventional procedures were measured using thermoluminiscent dosimeters and an anthropomorphic RANDO woman phantom simulating a main operator. Results show that interventional radiologists may receive minimum and maximum brain doses per procedure of 0.01 mGy (left temporal cortex) and 0.08 mGy (temporal lobe cortex), respectively. A radiologist who works without movable shielding devices during procedures and has a typical workload (for example 500 procedures per year), which might exceed the new dose threshold of 0.5 Gy for circulatory disease in the brain working 12.6 years of his career.
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