title: Tertium non datur? Legitimacy of a third diagnostic category in melanocytic lesions.
authors.affiliation: Anatomic Pathology Unit, Dermatopathology Section, S. M. Annunziata Hospital, Florence, Italy.
authors.forename: Carmelo
authors.initials: C
authors.lastname: Urso
mesh_terms: D005260:Female; D006801:Humans; D008544:Melanocytes / Q000473:pathology*; D008545:Melanoma / Q000145:classification* / Q000556:secondary*; D009506:Nevus / Q000145:classification*; D018332:Nevus, Epithelioid and Spindle Cell / Q000473:pathology*; D021701:Sentinel Lymph Node Biopsy / Q000379:methods*; D012878:Skin Neoplasms / Q000145:classification* / Q000473:pathology*; D009626:Terminology as Topic