Lichen Planus and Lichenoid Disorders

Vincent Piguet, Stephen M. Breathnach, Laurence Le Cleach


Lichenoid disorders are inflammatory disorders characterized clinically by flat‐topped, papular lesions and histologically by a lymphocytic infiltrate with a band‐like distribution in the papillary dermis. This group of conditions includes lichen planus, lichen planopilaris, lichen nitidus and keratosis lichenoides chronica, among others.
Keywords lichen planus, oral lichen planus, lichen planopilaris, frontal fibrosing alopecia, lichen nitidus, Nékám disease, keratosis lichenoides chronica


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