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Urothelial Carcinoma-In-Situ : Pagetoid Spread (CK20)

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GU_Bladder_CA_UrothCIS24_PagetoidSpread_SquamousMucosa_CK20.jpg

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Urothelial carcinoma-in-situ with pagetoid spread into non-keratinizing squamous metaplasia of urothelium. The pleomorphic tumor cells are highlighted by CK20 positivity.

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slide 38 of 50
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