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Urology. 2007 Oct;70(4):812.e11-4.

Sarcomatoid urothelial carcinoma with choriocarcinomatous features: first report of an unusual case.

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  • 1Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania 15213, USA.


A 61-year-old man presented with gross hematuria and a polypoid right lateral bladder mass. The tumor was composed of conventional urothelial carcinoma with sarcomatoid and choriocarcinomatous features, both positive for epithelial markers (pancytokeratin, AE1/AE3, and CAM 5.2). In addition, choriocarcinomatous tumor cells were positive for beta human chorionic gonadotropin and placental alkaline phosphatase. Treatments included surgery, chemotherapy, and radiation therapy. The clinical course was aggressive, with liver, lung, and distant lymph node metastases and a postdiagnosis survival of 6 months. This is the first report, to our knowledge, indicating both sarcomatoid and choriocarcinomatous features in a conventional urothelial carcinoma of the bladder.

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