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Anais Brasileiros de Dermatologia
On-line version ISSN 1806-4841
PEREIRA, Priscilla Maria Rodrigues et al. Do you know this syndrome?. An. Bras. Dermatol. [online]. 2010, vol.85, n.5, pp.751-753. ISSN 1806-4841. http://dx.doi.org/10.1590/S0365-05962010000500029.
Laugier-Hunziker syndrome is an acquired macular hyperpigmentation of the oral and genital mucosa, often associated with longitudinal melanonychia. We report a case of longitudinal melanonychia on ?ngernails and toenails, hutchinson's signal and lenticular pigmentation of her lips and oral mucosa. Histopathological analysis is tipical and had a broad differential diagnosis. This is a rare and benign entity, which should be included in the differential diagnosis of mucocutaneous hyperpigmentation.
Keywords : Diagnosis, differential; Mouth mucosa; Pigmentation disorders.