Laugier-Hunziker syndrome-Case report

Laugier-hunziker syndrome is a rare,acquired disorder characterized by lenticular hyperpigmentation of the oral mucosa and longitudinal melanonychia. we present the case of a 63-year-old female with progressive,asymptomatic hyperpigmentation of buccal mucosa and a 7-year history of hyperpigmentation in several fingernails. laugier-hunziker syndrome was diagnosed based on the clinical features presented,dermoscopic findings and exclusion of underlying systemic diseases. laugier-hunziker syndrome is regarded as a diagnosis of exclusion. by identifying laugier-hunziker syndrome,other,more severe syndromes associated with hyperpigmentations can be excluded,namely addison’s disease and peutz-jeghers syndrome. © 2015 by anais brasileiros de dermatologia.