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Fig. 2 | Applied Cancer Research

Fig. 2

From: What is new in Genitourinary Pathology? Recent developments and highlights of the new 2016 World Health Organization classification of tumors of the urinary system and male genital organs

Fig. 2

a Urothelial dysplasia is a flat preneoplastic lesion demonstrating a degree of cytologic and architectural abnormalities that fall short of urothelial carcinoma in-situ. b Cytokeratin 20 exhibits diffuse full thickness reactivity in dysplastic urothelium (bottom), while in the normal urothelium only umbrella cells are positive (top)

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