Fig. 2
From: Carcinomas in the bladder with papillary and pseudopapillary morphology - not always urothelial
Case 2. High-grade prostate adenocarcinoma with pseudopapillary features in transurethral resection specimen of the bladder (HE stain – a, b, c and d: 40x). In other areas, tumor was solid or extensively cribriform (e: HE, 40x). PSA expression was strong and diffuse in all areas including pseudopapillary areas in the bladder specimen (PSA immunostain 40x)