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Article: An unuual tumor of the urinary bladder. (Pathologic Quiz Case).(Brief Article)
- Article from:
- Archives of Pathology & Laboratory Medicine
- Article date:
- October 1, 2001
- Author:
CopyrightCOPYRIGHT 2001 College of American Pathologists. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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A 74-year-old woman presented to our institution for recurrent hematuria and dysuria. She had no significant medical history. Cystoscopy showed a 1.1-cm ulcerated tumor located in the dome of the bladder. A transurethral resection was performed, and histologic examination revealed a poorly differentiated invasive carcinoma. The patient underwent a partial cystectomy.
Macroscopically, the resected specimen measured 4 x 2.5 cm. A central ulcerated tumor measuring 1.5 cm was observed. Light microscopic examination of hematoxylineosin-stained sections demonstrated nests, sheets, and cords of undifferentiated malignant cells arranged in syncytia (Figure 1). The tumor ...