Lichen-Planopilaris-Like Scarring Pattern in a Patient with Alopecia and Pityriasis Rubra Pilaris

    September 2020 in “ Journal of Cutaneous Pathology ”
    Ángel Fernández-Flores, Ángela Hermosa-Gelbard, Raquel Novo-Lens
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    TLDR A patient with a skin condition had unusual scarring hair loss but improved with treatment.
    In the article from September 30, 2020, a 69-year-old woman with pityriasis rubra pilaris (PRP) developed a rare scarring alopecia resembling lichen planopilaris, which is unusual since PRP typically causes non-scarring alopecia. Following an erythrodermic episode and telogen effluvium, scalp biopsies indicated lichen planopilaris-like features. Despite the typically poor prognosis of such conditions, the patient's hair loss responded positively to treatment with clobetasol, oral minoxidil, and triamcinolone infiltrations. This led to a significant clinical improvement and the regrowth of eyebrow hair. The case highlights the potential for a favorable outcome with early intervention in scarring alopecias that present with lichen planopilaris-like patterns.
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