Perforating lichen nitidus in 32 Y/M: Case report
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Perforating lichen nitidus is a very rare subtype of lichen nitidus (LN) that features a central perforating channel within individual lesions of LN.

An otherwise healthy 32-year-old male, presented with a two-month eruption of asymptomatic, symmetrically-distributed 1-3 mm white to pink molluscum-like umbilicated papules overlying the dorsolateral finger and toe joints, palms and soles, extensor elbows and knees, and an terolateral ankles. No inciting trigger could be identified.

Dermoscopy revealed pale-white papules with radial ridges emanating in a “sunburst” pattern from a depressed central keratotic core rimmed by fine white scale. Some lesions carried a pink hue and exhibited radial linear and hairpin vessels. Treatment with clobetasol 0.05% ointment resulted in flattening and resolution of nearly all lesions by 6-week follow-up.

Perforating lichen nitidus is a unique manifestation of an already rare condition.

Source: https://www.jaadcasereports.org/article/S2352-5126(20)30840-7/fulltext?rss=yes
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