期刊
MEDICINE
卷 96, 期 3, 页码 -出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MD.0000000000005751
关键词
chemotherapy; common bile duct; cytokeratin; pancreaticoduodenectomy; pathology; sarcomatoid carcinoma; Vimentin
Rationale: Sarcomatoid carcinoma is an extremely rare lesion in the common bile duct (CBD). Patient concerns: We present a case of sarcomatoid carcinoma of the distal CBD in a 51-year-old woman who presented with jaundice and abdominal pain. Whipple's operation was performed successfully. Microscopically, the tumor was a poorly differentiated carcinoma containing a component of sarcoma-like differentiation. The tumor cells displayed spindle-shaped nuclei with occasional mitotic figures. Cytokeratin (CK) 7, CK19, CK18, and pan-CK (AE1/ AE3) staining was positive on immunohistochemistry. Vimentin and carcinoembryonic antigen (CEA) staining were also positive. Diagnoses: Sarcomatoid carcinoma of the distal CBD. Interventions: The patient received three cycles of chemotherapy after surgery. Outcomes: The patient has experienced no adverse events in the 3 years post-surgery. Lessons: We present here a case report of sarcomatoid carcinoma of the distal CBD. The patient received chemotherapy after surgery, and was event-free for 3 years post-surgery, suggesting a relatively better prognosis, despite the infiltrative pattern of the tumor.
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