title: Pigmented penile papules with carcinoma in situ changes.
abstract: Benign appearing, multifocal, pigmented penile papules were found in three patients, showing the histopathological and electron microscopic changes of carcinoma in situ. Their clinical appearance, relation to other carcinoma in situ lesions, as well as possible pathogenesis are discussed.
mesh_terms: D000328:Adult; D001485:Basement Membrane / Q000648:ultrastructure; D002278:Carcinoma in Situ / Q000648:ultrastructure*; D006801:Humans; D008297:Male; D010412:Penile Neoplasms / Q000648:ultrastructure*; D012867:Skin / Q000648:ultrastructure; D012880:Skin Pigmentation