Comments:
Osteoclast-type giant cells are occasionally seen in the stroma of urothelial carcinoma. Here they are seen in a sarcomatoid urothelial carcinoma (same case as previous slide). The giant cells are thought to be reactive in nature. Histopathology. 1990 Nov; 17(5):407-11.return to Variants of Urothelial Carcinoma
