Journal of the Korean Society of Radiology (대한영상의학회지)

The Korean Society of Radiology (대한영상의학회)
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Focal Fat Deposition Developed in the Segment IV of the Liver Following Gastrectomy Mimicking a Hepatic Metastasis: Two Case Reports

위절제술 후에 간의 제4분절에서 발생한 간전이를 닮은 국소 지방 침윤: 두 증례 보고

  • Sohn, Beom-Seok (Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine) ;
  • Lim, Joon-Seok (Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine) ;
  • Hyung, Woo-Jin (Department of Surgery, Severance Hospital, Yonsei University College of Medicine) ;
  • Kim, Myeong-Jin (Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine) ;
  • Kim, Ki-Whang (Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine)
  • 손범석 (연세대학교 의과대학 세브란스병원 영상의학과) ;
  • 임준석 (연세대학교 의과대학 세브란스병원 영상의학과) ;
  • 형우진 (연세대학교 의과대학 세브란스병원 외과) ;
  • 김명진 (연세대학교 의과대학 세브란스병원 영상의학과) ;
  • 김기황 (연세대학교 의과대학 세브란스병원 영상의학과)
  • Received : 2012.04.14
  • Accepted : 2012.08.01
  • Published : 2012.10.01

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Abstract

We present two cases of focal fat deposition developed at the posterior area of the segment IV in the liver, following gastrectomy in patients with gastric cancer. There was no focal lesion in this area of the liver at preoperative computed tomography (CT) in both cases, and the aberrant right gastric vein (ARGV) was found on the retrospective review of this CT. After gastrectomy, a focal, low-attenuating lesion was developed in this area on a follow-up CT in both cases, which was confirmed as a focal fat deposition, by other imaging studies. In addition to its typical imaging findings, confirmation of the presence of the ARGV also supported this lesion to be a focal fat deposition. Furthermore, understanding of our cases may be of help to prevent us from unnecessary invasive procedures, such as liver biopsy.

위암으로 위절제술을 받은 후 간의 제4분절에 국소 지방 침윤이 발생한 증례를 두 개 보고한다. 수술 전 전산화단층촬영에서 간의 국소 병변은 없었으나, 두 증례 모두 수술 후 추적검사에서 간의 제4분절에 국소적으로 낮은 감쇠를 보이는 병변이 새로이 발생하였다. 낮은 감쇠를 보였던 간의 국소 병변은 자기공명영상의 화학변위영상이나 추적 전산화단층촬영을 통하여 국소 지방 침착으로 확인되었다. 우리는 두 증례 모두에서 수술 전에 시행한 전산화단층촬영을 다시 검토하여, 이상우위정맥이 존재하였음을 확인하였다.

Keywords