Laugier-Hunziker syndrome: a case of asymptomatic mucosal and acral hyperpigmentation

Laugier-Hunziker syndrome (LHS) is a rare condition characterized by acquired hyperpigmentation involving the lips, oral mucosa, acral surfaces, nails and perineum. While patients with LHS may manifest pigmentation in all of the aforementioned areas, most present with pigmentation localized to only...

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Published in:Dermatology practical & conceptual 2017-04, Vol.7 (2), p.27-30
Main Authors: Cusick, Elizabeth H, Marghoob, Ashfaq A, Braun, Ralph P
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Language:English
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Laugier-Hunziker
mucocutaneous hyperpigmentation
mucosal and acral hyperpigmentation
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Marghoob, Ashfaq A
Braun, Ralph P
description Laugier-Hunziker syndrome (LHS) is a rare condition characterized by acquired hyperpigmentation involving the lips, oral mucosa, acral surfaces, nails and perineum. While patients with LHS may manifest pigmentation in all of the aforementioned areas, most present with pigmentation localized to only a few of these anatomical sites. We herein report a patient exhibiting the characteristic pigment distribution pattern associated with LHS. Since LHS is a diagnosis based on exclusion, we discuss the differential diagnosis of mucocutaneous hyperpigmentation. Due to the benign nature of the disease, it is critical to differentiate this disorder from conditions with similar mucocutaneous pigmentary changes with somatic abnormalities that require medical management. We also explore potential mechanisms that may explain the pathogenesis of LHS.
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subjects Laugier-Hunziker
mucocutaneous hyperpigmentation
mucosal and acral hyperpigmentation
title Laugier-Hunziker syndrome: a case of asymptomatic mucosal and acral hyperpigmentation
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