NCIt synonyms : Bathing Trunk Nevus; Giant Pigmented Nevus of Skin; Giant Pigmented Nevus of the Skin; Giant Pigmented Nevus;
NCIt related terms : Giant pigmented nevus, NOS;
NCIt definition : A rare melanocytic lesion occurring at birth, comprising at least 5% of the body surface
area. It usually presents as a dark brown to black hairy lesion. Morphologically,
it is characterized by the presence of a compound or intradermal nevus. There is an
increased risk of malignant transformation to melanoma, rhabdomyosarcoma, and poorly
differentiated malignant tumors.;