Abstract
Laugier-Hunziker (LH) syndrome is a rare benign condition in which hyperpigmentation of the lips and buccal mucosa occurs with no systemic associations. We report the response to treatment with the Q-switched alexandrite laser (QSAL) because there are few reports on therapy for LH syndrome. The QSAL was used for pigmentation of the lips in a 63-year-old woman with LH syndrome. Laser irradiation was done at 5.0 J/cm2 with a 3 mm spot size. There was 100% clearance of pigmentation of the lips with a single laser treatment, and recurrence was not observed after 6 months. The QSAL is very effective for pigmentation owing to LH syndrome.
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