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디지털 방사선 영상의 편차지수를 이용한 의료영상 품질관리에 관한 연구

A Study on Quality Control for Medical Image by Using Deviation Index of Digital Radiology

방사선기술과학 2020년 43권 2호 p.115 ~ 121
정회원 ( Jeong Hoi-Woun ) - Baekseok Culture University Department of Radiological Science

민정환 ( Min Jung-Whan ) - Shingu University Department of Radiological Technology

Abstract


In a digital radiation system using a Flat Panel Detector, we attempted to the quality control of digital radiography system using the Exposure Index and Deviation Index. Calibration was performed with the radiation quality suggested by the International Electrotechnical Commission, and through an experiment using a phantom, appropriate inspection radiation conditions applicable to medical institutions were selected. The study was conducted using the selected radiation conditions. Through those chest posterior anterior image, information such as examination conditions and exposure index was obtained. The deviation index was derived by analyzing the exposure index based on the target exposure index calculated by the phantom study. As for the analyzed exposure index, 97.1% was distributed within the range of ± 2.0 based on the deviation index. Quality control of medical images should be performed through management of inspection conditions through exposure index and deviation index and management of medical images.

키워드

디지털 방사선 시스템 ; 평판형 검출기 ; 노출지수 ; 편차지수 ; 목표노출지수
Digital radiography system ; Flat Panel Detector ; Exposure Index ; Deviation Inedx ; Target Exposure Index
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