Computed Tomography 혈관조영술에서 금속허상감소법의 유용성

• 영문명: Usefulness of Metal Artifact Reduction for Metal Implants in Computed Tomography Angiography
• 발행기관: 조선대학교 의학연구원
• 저자명: 김동훈(Dong Hun Kim) 변주남(Joo Nam Byun) 문창훈(Chang Hoon Moon) 장정환(Jeong Hwan Jang)
• 간행물 정보: 『The Medical Journal of Chosun University』제39권 제1호, 20~24쪽, 전체 5쪽
• 주제분류: 의약학 > 기타의약학
• 파일형태: PDF
• 발행일자: 2014.03.31

영문 초록

In this study, we identified 26 cases scheduled for lower extremity computed tomography (CT) angiography who had implanted metal devices. These CT exams were performed for evaluation of patients symptoms related with gait disturbance. CT scans were performed on 128-MDCT using our standard parameters. The row image data were reconstructed using two different methods, standard filtered backprojection (FBP) algorithm and the metal artifact reduction for orthopedic implants (O-MAR) algorithm. Images were evaluated with 3-point scales. The difference of image scores for FBP (1.5±0.81) and OMAR (1.92±0.79) was significant (p<0.05). O-MAR reconstruction significantly improved quality of CT angiography for patients with metal implants.

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키워드

Metal artifact Computed tomography prosthesis Angiography