대한영상의학회지 (Journal of the Korean Society of Radiology)

  • 제82권2호
  • /
  • Pages.298-314
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  • 2021
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  • 1738-2637(pISSN)
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  • 2288-2928(eISSN)
대한영상의학회 (The Korean Society of Radiology)
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간문주변부 담관암 영상 진단의 최신 지견

Current Status and Recent Update of Imaging Evaluation for Peri-Hilar Cholangiocarcinoma

  • 이동호 (서울대학교병원 영상의학과)
  • Dong Ho Lee (Department of Radiology, Seoul National University Hospital)
  • 투고 : 2021.01.28
  • 심사 : 2021.03.17
  • 발행 : 2021.03.01
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⟨ 이전 논문 다음 논문 ⟩

초록

간문주변부의 해부학적 복잡성으로 인해 간문주변부 담관암은 그 진단과 치료가 어려운 질환으로 알려져 있다. 간문주변부 담관암이 의심되는 환자에 있어서, 영상 검사는 이상 소견의 발견 및 감별 진단, 종양의 종축 침범 부위의 파악, 인접 혈관 침범과 원격 전이 유무의 파악, 그리고 최종적으로 수술적 절제 가능 유무의 평가에 있어 핵심적인 역할을 하고 있다. 이 종설에서는 간문주변부 담관암의 분류 및 종양의 평가를 위해 권고되는 표준 영상 검사의 기법과 간문주변부 담관암의 전형적인 영상 소견에 대해 기술할 예정이다. 종축 방향의 종양 침범 파악, 인접 혈관 침범 및 원격 전이 유무의 평가에 있어서 각 영상 검사 소견과 그 진단능에 대해 논의할 예정이다. 이후 전통적인 절제 가능성 평가의 개념에 대해 고찰하고, 최근의 경향을 소개한다.

Owing to the anatomic complexity of the hepatic hilum, it has been considered difficult to diagnose and treat peri-hilar cholangiocarcinoma. Currently, imaging studies, including contrast-enhanced CT and MRI, play a crucial role in the detection, characterization, staging, and resectability assessment of peri-hilar cholangiocarcinoma. In this review, the classification of perihilar cholangiocarcinoma and proposed imaging protocol for the evaluation will be discussed. The typical imaging finding of peri-hilar cholangiocarcinoma, evaluation of longitudinal tumor extent, adjacent vascular invasion, and distant metastasis will also be mentioned. Finally, traditional concepts and recent updates for the resectability assessment of peri-hilar cholangiocarcinoma will be introduced.

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