Abstract
Pediatric lichen planus (LP) is a relatively uncommon condition, with increased presentation in children with darkly pigmented skin. To understand the small subset of children with lichen planus (LP) manifesting as lichen planus pigmentosus (LPP), a form with thin plaques and extensive hyperpigmentation, generally in the absence of signs of inflammation Methods: This article is a systematic review of the English language literature for cases of lichen planus pigmentosus (LPP) in children. Twenty-one cases were identified including 2 that were linear, 3 inverse types, 1 palmoplantar. In larger series, 2–2.8% of children with lichen planus are affected by this sub-variant. One patient had reported associated oral lesions. Oral and topical corticosteroids, topical tacrolimus, and ultraviolet light have been described as successful therapies. LPP is an uncommon but important variant of lichen planus in children. In the presence of dark hyperpigmentation of the skin, a biopsy can help identify LPP. Clinicians should be aware that LPP can follow four patterns: common, inverse, palmoplantar, and linear.J Drugs Dermatol. 2022;21(7):850-853. doi:10.36849/JDD.6760.
Published Version
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