Sarcomatoid Carcinoma of Male Urethra with Bone and Lung Metastases Presenting as Urethral Stricture
Figure 2
Histopathological features of this sarcomatoid urothelial carcinoma. (a) Sarcomatoid changes with areas of necrosis/hemorrhage (H&E, 200x). (b) More carcinomatoid features of the tumor cells (H&E, 200x). (c) Cytokeratin immunohistochemistry shows strong positivity of the tumor cells (200x), indicating carcinoma origin instead of true sarcoma.
