Abstract
Laugier-Hunziker syndrome – a rare cause of acquired hyperpigmentation
- Dermatology Ward of the District Tertiary Hospital, Slupsk, Poland
- Cosmetology Laboratory of the Chair of Rehabilitation and Biological Renewal, Institute of Health Sciences, Pomeranian University, Slupsk, Poland
Introduction
Laugier-Hunziker syndrome is a rare acquired disorder characterized by diffuse hyperapigmentation of the oral mucosa and longitudinal melanonychia in adults. Laugier-Hunziker syndrome is considered a benign disease with no systemic symptoms nor malignant potential.
Case report
In a 48-year-old women hyperpigmentation developed in the buccal mucosa, lips, labia, nail plates and the skin of fingers and toes. Laugier-Hunziker syndrome was diagnosed on the basis of clinical presentation, dermoscopy, and exclusion of systemic causes of the symptoms.
Conclusions
Laugier-Hunziker syndrome is an idiopathic hyperpigmentation of skin, oral mucosa, lips and nails and should be considered a diagnosis of exclusion.
Keywords
Laugier-Hunziker syndrome, mucocutaneous pigmentation, oral cavity pigmentation, discolorations, oral mucosa
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