Comments:
The tumor shows typical small cell features – the tumor cells are arranged in cords or nests, the nuclei display molding and have finely dispersed chromatin, nucleoli are inconspicuous or punctate, and mitotic activity is high. Treatment is usually cystectomy combined with cis-platinum-based chemotherapy. Eur Urol 2001 Jan; 39(1):85-90return to Variants of Urothelial Carcinoma