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MRI 보어 구경에 따른 검사 시 실효 단면적 분석

Analysis of Actual Cross-Sectional Area During Scanning According to MRI Bore Size

Journal of Biomedical Engineering Research 2020년 41권 6호 p.219 ~ 227
정현근, 정현도, 김성호, 전민철, 유세종, 고현철, 조용현,
소속 상세정보
정현근 ( Jeong Hyun-Keun ) - HK Research Center Inc. Biomedical Engineering Lab
정현도 ( Jeong Hyun-Do ) - HK Research Center Inc. Biomedical Engineering Lab
김성호 ( Kim Seong-Ho ) - HK Research Center Inc. Biomedical Engineering Lab
전민철 ( Jeon Min-Cheol ) - HK Research Center Inc. Biomedical Engineering Lab
유세종 ( Yoo Se-Jong ) - HK Research Center Inc. Biomedical Engineering Lab
고현철 ( Ko Hyun-Cheol ) - Seoul Sungsim General Hospital Department of Anesthesiology and Pain Medicine
조용현 ( Cho Yong-Hyun ) - Seoul Sungsim General Hospital Department of Anesthesiology and Pain Medicine

Abstract


In this study, we tried to quantify the actual cross-sectional area inside the bore when scanning by the MRI system with various bore sizes. To this end, a comparative analysis was conducted by both of blueprint of each MRI equipment and actual measurement in the field. As a result of analysis, ACSA(Actual Cross-Sectional Area) in Ingenia CX, Elition X, uMR 780, Omega, Vida, Lumina, Architect, Premier is recorded as 171230, 232150, 242100, 309332, 230760, 230760, 229380 and 235990 mm2, respectively ACSA% was 60.6, 60.3, 73.0, 70.0, 60.0, 60.0, 59.6, and 61,3%. In addition, DTB (Distance from Table top to Bore top) recorded 400, 407, 445, 495, 405, 405, 405, 403, and 412 mm. Through this study, it was confirmed that there is a difference between the bore size according to each MRI system and the actual cross-sectional area during MRI scanning. Accordingly, if we consider the internal actual area just not bore size at the clinical site, useful diagnostic images can be obtained in the end with better convenience.

키워드

MRI System; Bore size; Aperture size; Actual cross sectional area

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