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원인불명의 위장관 출혈을 보인 소장 위장관 기질종양 식별: 혈관조영술 소견의 강조

Identifying Small Bowel Gastrointestinal Stromal Tumor as the Culprit Lesion in Obscure Gastrointestinal Bleeding: Emphasis on Angiographic Findings

  • 최형인 (단국대학교 의과대학 단국대학교병원 영상의학과) ;
  • 최민정 (단국대학교 의과대학 단국대학교병원 영상의학과) ;
  • 김봉만 (단국대학교 의과대학 단국대학교병원 영상의학과) ;
  • 남궁환 (단국대학교 의과대학 단국대학교병원 외과) ;
  • 최승규 (단국대학교 의과대학 단국대학교병원 병리과)
  • Hyung In Choi (Department of Radiology, Dankook University Hospital, Dankook University College of Medicine) ;
  • Min Jeong Choi (Department of Radiology, Dankook University Hospital, Dankook University College of Medicine) ;
  • Bong Man Kim (Department of Radiology, Dankook University Hospital, Dankook University College of Medicine) ;
  • Hwan Namgung (Department of Surgery, Dankook University Hospital, Dankook University College of Medicine) ;
  • Seung Kyu Choi (Department of Pathology, Dankook University Hospital, Dankook University College of Medicine)
  • 투고 : 2021.02.15
  • 심사 : 2021.06.29
  • 발행 : 2022.03.01

초록

위장관기질종양(gastrointestinal tumor; 이하 GIST)은 종종 위장관 출혈의 원인이 되는 드물지 않은 질환이지만 소장에 생기는 경우 내시경 및 전산화단층촬영(이하 CT)에서 발견이 어려울 수 있다. 본 증례에서 환자는 수술 전 총 3회의 CT를 시행 받았으나, 병변은 매번 복강의 다른 부위에 위치해 있었고, 허탈된 소장과 구분이 어려워 처음 2번의 CT에서는 발견하지 못했다. 혈관조영술에서 병변이 보였지만, 고령의 환자에서 원인불명 위장관 출혈의 가장 흔한 원인인 혈관기형으로 잘못 해석되어 올바른 진단과 치료가 3년간 지연되었다. 본 증례를 통해, GIST의 정확한 진단 및 치료 전략 수립을 위해 혈관조영술 소견을 강조하고자 한다.

Gastrointestinal stromal tumors (GISTs) are not uncommon and often cause gastrointestinal bleeding. GISTs occurring in the small intestine are occasionally difficult to identify by endoscopy and CT. In this case, the patient underwent CT three times before surgery, and the lesion was found to be located in a different area of the abdominal cavity on each CT scan. Moreover, the lesion was missed in the first two CT images because it was difficult to distinguish it from the nearby collapsed small intestine. The lesion was eventually detected through angiography; however, the correct diagnosis and treatment were delayed for 3 years because it was mistaken for a vascular malformation, which is the most common cause of obscure GI bleeding in elderly patients. This report emphasizes the need for interventional radiologists to be updated and vigilant of the angiographic features of GISTs to make an accurate diagnosis and establish a management strategy.

키워드

참고문헌

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