title: Defining the malignant potential of the giant pigmented nevus.
abstract: An unusual giant pigmented nevus, containing lymphocytic infiltrates and apparent muscle invasion, but without the presence of melanoma, is described in detail--including its related immunological parameters. The controversy concerning the malignant potential of giant pigmented nevi, and the paradoxes that are encountered clinically, are discussed.
mesh_terms: D000328:Adult; D001402:B-Lymphocytes / Q000276:immunology; D006801:Humans; D007158:Immunologic Techniques; D008297:Male; D008545:Melanoma / Q000473:pathology; D009508:Nevus, Pigmented / Q000276:immunology / Q000473:pathology* / Q000601:surgery; D011230:Precancerous Conditions; D012042:Registries; D012306:Risk; D012878:Skin Neoplasms / Q000473:pathology*