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A Case Report of Urothelial Carcinoma With Combined Micropapillary and Plasmacytoid Morphology in the Urinary Bladder
- A Case Report of Urothelial Carcinoma With Combined Micropapillary and Plasmacytoid Morphology in the Urinary Bladder
- Park, Sanghui; Cho, Min-Sun; Kim, Kwang Hyun
- Ewha Authors
- 조민선; 박상희; 김광현
- SCOPUS Author ID
- 조민선; 박상희; 김광현
- Issue Date
- Journal Title
- DIAGNOSTIC CYTOPATHOLOGY
- 8755-1039; 1097-0339
- vol. 44, no. 2, pp. 124 - 127
- urothelial carcinoma; micropapillary; plasmacytoid; bladder; urine
- SCIE; SCOPUS
- A case of combined micropapillary and plasmacytoid urothelial carcinoma (UC) of the urinary bladder is presented for a 74-year-old male who was admitted to the hospital with gross hematuria and multifocal papillary bladder tumors. Abdominal computed tomography showed a large enhancing mass on the left lateral and anterior wall of the urinary bladder, which was highly suspicious for extravesicular extension and focal extension of the anterior lesion to the pubic bone. In voided urine, cancer cells were scattered as micropapillae or nests as well as single cells on the low power view. On a higher power view, micropapillae or nests were composed of pleomorphic, high grade tumor cells with an inverted nuclear arrangement and with acinar structures occasionally identified. Single cells were discohesive and large with a thick cytoplasm and eccentrically located nuclei. Histologically, the tumor from the resected bladder showed diffusely infiltrating micropapillae or nests with a surrounding halo and dense singly-scattered plasmacytoid cells. Immunohistochemically, the cancer cells were positive for cytokeratin-7 and cytokeratin-20 but negative for S-100, leukocyte common antigen, and vimentin. At the time of radical cystectomy, severe adhesions and peritoneal metastases were found and the surgery was discontinued. The patient received systemic chemotherapy, but died of bladder cancer 14 months after surgery. (C) 2015 Wiley Periodicals, Inc.
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