title: Onychopapilloma presenting as longitudinal melanonychia.
authors.forename: Mariya
authors.initials: M
authors.lastname: Miteva
authors.forename: Piero A
authors.initials: PA
authors.lastname: Fanti
authors.forename: Paolo
authors.initials: P
authors.lastname: Romanelli
authors.forename: Martin
authors.initials: M
authors.lastname: Zaiac
authors.forename: Antonella
authors.initials: A
authors.lastname: Tosti
mesh_terms: D046169:Dermoscopy; D005260:Female; D006801:Humans; D008544:Melanocytes; D008875:Middle Aged; D009260:Nail Diseases / Q000175:diagnosis; D010212:Papilloma / Q000175:diagnosis*; D010241:Parakeratosis; D012878:Skin Neoplasms / Q000175:diagnosis*