title: AAOMP case challenge: a pigmented lesion of the mandibular facial gingiva.
abstract: A 55-year-old white male was referred by his dermatologist for evaluation of an asymptomatic dark brown lesion on the mandibular facial attached gingiva.
authors.affiliation: Oral and Maxillofacial Pathology graduate program, College of Dentistry, The Ohio State University, Columbus, OH, USA. rosebush.3@osu.edu
authors.forename: Molly
authors.initials: M
authors.lastname: Rosebush
authors.forename: Carl M
authors.initials: CM
authors.lastname: Allen
authors.forename: John R
authors.initials: JR
authors.lastname: Kalmar
mesh_terms: D003937:Diagnosis, Differential; D005547:Foreign Bodies / Q000175:diagnosis; D005882:Gingival Diseases / Q000473:pathology*; D006801:Humans; D015603:Keratinocytes / Q000737:chemistry; D008297:Male; D008334:Mandible; D008543:Melanins / Q000032:analysis; D008545:Melanoma / Q000175:diagnosis; D008875:Middle Aged; D009508:Nevus, Pigmented / Q000175:diagnosis; D010859:Pigmentation Disorders / Q000473:pathology*
chemical_list: D008543:Melanins