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Fig. 4 | Surgical and Experimental Pathology

Fig. 4

From: Carcinomas in the bladder with papillary and pseudopapillary morphology - not always urothelial

Fig. 4

Case 4. Villous adenoma /Adenocarcinoma in situ of the bladder. Villous architecture with true fibrovascular cores showing pseudostratified columnar and goblet cells (a: HE stain, 40x; b: HE stain 100x; and c: HE stain, 100x). Urachal remnants in fibromuscular stroma – no infiltrative pattern or desmoplastic reaction (d: HE stain, 40x; e: HE stain 100x). High-grade atypia of adenocarcinoma in situ (HE stain, 400x)

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