title: Laugier-Hunziker syndrome.
abstract: The Laugier-Hunziker syndrome represents a rare acquired pigmentary disorder of the lips, oral mucosa, and nails. We report the first case of this syndrome to be recognized in the United States and review other causes of hyperpigmentation in these locations.
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D009260:Nail Diseases / Q000175:diagnosis / Q000453:epidemiology*; D010859:Pigmentation Disorders / Q000175:diagnosis / Q000453:epidemiology*; D013577:Syndrome; D014481:United States