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의약학 > 내과학
저자
조영환 ( Young Whan Cho ) , 김경조 ( Kyung Jo Kim ) , 예병덕 ( Byong Duk Ye ) , 변정식 ( Jeong Sik Byeon ) , 명승재 ( Seung Jae Myung ) , 양석균 ( Suk Kyun Yang ) , 김진호 ( Jin Ho Kim )
발행기관
대한소화기학회
간행물정보
대한소화기학회지 2012년, 제60권 제6호, 377~381페이지(총5페이지)
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07811304.pdf [무료 PDF 뷰어 다운로드]
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    영문초록
    Perivascular epithelioid cell tumor (PEComa) is extremely rare, which originated from mesenchymal cells in the intestine, and composed of histologically and immunohistochemically distinctive perivascular epithelioid cells. We report here on a case of PEComa in the sigmoid colon. A 62-year-old woman presented with hematochzia 10 days ago. Her abdominal computed tomography scan showed a 5 cm sized intraluminal fungating heterogeneously enhanced, high density mass, which infiltrated pericolic tissue surrounding the sigmoid colon. Colonoscopy showed a purple colored polypoid mass with lobulating contour in the sigmoid colon. She underwent laparoscopic anterior resection. On the histologic examination, the tumor consisted of polygonal epithelioid cells with sheet-like growth of nests, which looked like alveolar tissues in lung. The tumor cells were strongly positive stained with human melanoma black-45 (HMB-45). Pathologic examination was compatible with PEComa. Sixteen months after surgery, she did well without tumor recurrence after surgery. We review the literatures concerning PEComa of the intestine focusing on endoscopic findings.
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