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Laugier-hunziker syndrome: A rare cause of oral and acral pigmentation

2011; Medknow; Volume: 4; Issue: 1 Linguagem: Inglês

10.4103/0974-2077.79199

0974-5157

Silonie Sachdeva, Shabina Sachdeva, Pranav Kapoor,

Oral Health Pathology and Treatment

Laugier-Hunziker syndrome (LHS) is an acquired, benign pigmentary skin condition involving oral cavity including lower lip in the form of brown black macules 1-5 mm in size, frequently associated with longitudinal melanonychia. There is no underlying systemic abnormality or malignant predisposition associated with LHS, and therefore the prognosis is good. Important differential diagnoses include Peutz Jeghers syndrome and Addison's disease among other causes of oral and acral pigmentation. Treatment is sought mainly for cosmetic reasons and Q-switched Nd-Yag laser/ Q-switched alexandrite therapy and cryosurgery have been tried with varying success.