학술논문
Analysis on Actual Reflection of CT Angiography Techniques using Conventional and Relative Measurement Method Utilizing Perfusion Phantom
이용수 26
- 영문명
- 발행기관
- 한국방사선학회
- 저자명
- 이승영 최영진 강수미 김수빈 황윤지 전상훈 허영철
- 간행물 정보
- 『한국방사선학회 학술대회 논문집』한국방사선학회 2017년 추계종합학술대회논문집, 54~54쪽, 전체 1쪽
- 주제분류
- 공학 > 기타공학
- 파일형태
- 발행일자
- 2017.11.10
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국문 초록
뇌혈관 질환은 국내 사망요인에서 악성 신생물에 이어 최대 발병률을 차지하고 사망률 또한 매우 높다. 뇌혈관 질환의 치료에는 중재적 시술인 스텐트 삽입술이 많이 시행되고 있으며 혈관의 크기를 측정하는 방법으로 CT 검사를 사용하고 있다. 하지만 CT 검사는 여러 요인으로 인해 확대가 발생하며 이는 스텐트 삽입술 후 혈관 내 재협착의 가능성을 높이기도 한다. 따라서 혈관의 정확한 실측 측정이 중요하며 이에 본 연구에서는 기존의 고식적 측정법의 확대율을 보정할 수 있는 방법으로 상대적 측정법에 대해 제시하고자 한다. 자체 제작 관류실험체를 이용하여 실험하였으며 재구성 방법으로는 MPR, MIP를 이용하여 각각의 영상에서 혈관 모형과 iron ball 직경을 axial, sagittal, coronal plane으로 각각 30회씩 고식적 방법으로 측정하였다. 측정된 데이터는 비례식을 적용하여 상대적 측정법으로 재구성하였고, 고식적 측정법과 상대적 측정법을 실측과 비교하였다. 실험결과 고식적 측정법보다 본 연구에서 제안하는 상대적 측정법이 실측에 가깝게 측정되었다(p<0.05). 하지만 상대적 측정법도 실측을 완전히 반영하지는 못하였으며 따라서 상대적 측정법의 추가 연구가 이루어진다면 실측에 가까운 측정이 가능할 것이라 사료된다.
영문 초록
목차
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