title: Halo balloon cell nevus.
abstract: We report an unusual case occurring in a 25-year-old male of a balloon cell nevus which also showed clinical and pathological features of a halo nevus.
mesh_terms: D000328:Adult; D006801:Humans; D008297:Male; D008543:Melanins / Q000032:analysis; D009508:Nevus, Pigmented / Q000032:analysis / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery; D012878:Skin Neoplasms / Q000032:analysis / Q000175:diagnosis / Q000473:pathology* / Q000601:surgery
chemical_list: D008543:Melanins