Hyperpigmented Upper Eyelid: A Clue to the Diagnosis of Facial Lichen Planus Pigmentosus in a Patient with Frontal Fibrosing Alopecia

    January 2018 in “ Skin Appendage Disorders ”
    Maria Fernanda Reis Gavazzoni Dias, Hudson Dutra Rezende, Amanda Lofeu Cury, Ralph M. Trüeb, Enoí Aparecida Guedes Vilar
    TLDR Upper eyelid hyperpigmentation can help diagnose facial lichen planus pigmentosus in patients with frontal fibrosing alopecia.
    The document described a case of a 56-year-old postmenopausal black woman with frontal fibrosing alopecia (FFA) and facial lichen planus pigmentosus (LPPig), highlighting the hyperpigmentation of the upper eyelid as a diagnostic clue. This hyperpigmentation, along with typical dermoscopic features, could help differentiate LPPig from other facial hyperpigmented disorders like melasma, potentially avoiding the need for invasive face biopsies. The study emphasized the importance of recognizing upper eyelid involvement in LPPig for accurate diagnosis in patients with primary cicatricial alopecias.
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