Fig. 1
From: Urothelial carcinoma of the prostate with raised β-hCG levels: a case report
Histopathological image of specimen from cystoscopy. A Gross picture of invasive high-grade urothelial carcinoma [hematoxylin and eosin staining (H&E); 10× magnification]. B Syncytiotrophoblastic cells in the urothelial carcinoma (H&E; 400× magnification). C Positive immunohistochemical (IHC) staining for cytokeratin 20 (CK20, DAKO) in nest of carcinoma cells (50× magnification). D Positive IHC reaction for β-human chorionic gonadotropin in large syncytiotrophoblastic cells inside the urothelial carcinoma (anti-β-hCG, DAKO, 100× magnification)