Sarcomatoid Carcinoma of the Distal Common Bile Duct - A Case Report -
장기석, 장시형, 최동호, 오영하, 이경근, 최호순, 백승삼,
소속 상세정보
장기석 ( Jang Ki-Seok )
한양대학교 의과대학 병리학교실
장시형 ( Jang Si-Hyong )
한양대학교 의과대학 병리학교실
최동호 ( Choi Dong-Ho )
순천향대학교 의과대학 외과학교실
오영하 ( Oh Young-Ha )
한양대학교 의과대학 병리학교실
이경근 ( Lee Kyeong-Geun )
한양대학교 의과대학 외과학교실
최호순 ( Choi Ho-Soon )
한양대학교 의과대학 소화기내과학교실
백승삼 ( Paik Seung-Sam )
한양대학교 의과대학 병리학교실
KMID : 0357920050390050360
Abstract
Sarcomatoid carcinoma of the common bile duct (CBD) is an extremely rare malignant neoplasm, which is characterized by the presence of carcinomatous and sarcomatous components. We report a case of sarcomatoid carcinoma arising in the distal CBD. The patient was a 68-year-old woman who presented with abdominal pain. The computed tomography and endoscopic ultrasonography revealed a polypoid mass in the distal CBD. The resected specimen showed a polypoid mass with a narrow stalk in the distal CBD which was confined to the mucosa. The cut surface revealed a gray-whitish solid mass with focal hemorrhage and necrosis. Microscopically, the tumor was composed of carcinomatous and sarcomatous components without any heterologous elements. The sarcomatous area predominently consisted of pleomorphic spindle cells. The carcinomatous component was an adenocarcinoma. On immunohistochemistry, cytokeratin was coexpressed in the carcinomatous and sarcomatous components but vimentin was expressed exclusively in the sarcomatous component. The patient has been doing well for one year postoperatively.
키워드
Sarcomatoid Carcinoma;Common bile duct
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