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Medical Definition of Scarring alopecia
1. Alopecia in which hair follicles are irreversibly destroyed by scarring processes including trauma, burns, lupus erythematosus, lichen planopilaris, scleroderma, folliculitis decalvans, or of uncertain cause (pseudopelade). Synonym: alopecia cicatrisata, cicatricial alopecia. (05 Mar 2000)