title: [Melanotic tumor of difficult classification. Benign juvenile melanoma of fusiform cells?].
mesh_terms: D006801:Humans; D008545:Melanoma / Q000648:ultrastructure*; D009508:Nevus, Pigmented / Q000648:ultrastructure*; D012867:Skin / Q000648:ultrastructure*
vernacular_title: Tumor melánico de difícil clasificación. Melanoma juvenil benigno de células fusiformes?