[논문]노출지수를 이용한 요추 X선 촬영의 조사야 유효성 평가

박혜민; 윤용수; 김정수; 정회원

doi:10.17946/jrst.2021.44.3.183

[국내논문] 노출지수를 이용한 요추 X선 촬영의 조사야 유효성 평가
Effect of Field Size on the Clinical Exposure Index for Lumbar Spine X-ray Examination 원문보기

방사선기술과학 = Journal of radiological science and technology, v.44 no.3, 2021년, pp.183 - 187

박혜민 (고려대학교 보건안전융합과학과) , 윤용수 (동서대학교 방사선학과) , 김정수 (대구보건대학교 방사선과) , 정회원 (백석문화대학교 방사선과)

Abstract ▼ AI-Helper

The field size of the lumbar spine X-ray examination, which belongs to the most frequent examination in general radiography, is 5 times wider than the width of the lumbar spine. Exposure index (EI) as per International Electrotechnical Commission has a proportional relationship with the dose incident on the image receptor for clinical protocols in addition to RQA5, which is a calibration beam quality. In this study, the effectiveness of the set field size was evaluated through the change of EI according to the size of field during lumbar spine X-ray examinations. Lumbar anterior-posterior and lateral examinations was performed using a whole-body phantom, and the national average exposure conditions of Korea investigated in 2017 were introduced for the X-ray exposure. As a result of comparing the EI displayed on the console of digital radiography system for the three field size in ① 18 × 36 cm2 ② 25 × 36 cm2 ③ 36 × 36 cm2, the EI values showed a tendency to increase as the field size increased. Since the patient dose, such as organ dose around the lumbar spine, increases as the field size becomes larger, thus, if the EI obtained from the field size at a level that does not interfere with diagnosis is set as a reference, the effectiveness of the field size can be evaluated through the EI displayed on the console when the lumbar spine X-ray examination is conducted.

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참고문헌 (15)

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[국내논문] 노출지수를 이용한 요추 X선 촬영의 조사야 유효성 평가
Effect of Field Size on the Clinical Exposure Index for Lumbar Spine X-ray Examination 원문보기

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[국내논문] 노출지수를 이용한 요추 X선 촬영의 조사야 유효성 평가 Effect of Field Size on the Clinical Exposure Index for Lumbar Spine X-ray Examination 원문보기

Abstract ▼ AI-Helper

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[국내논문] 노출지수를 이용한 요추 X선 촬영의 조사야 유효성 평가
Effect of Field Size on the Clinical Exposure Index for Lumbar Spine X-ray Examination 원문보기