alopecia lichen planopilaris https://www.malacards.org/card/lichen_planopilaris lichen follicularis icd11.foundation:572258139 lichen planopilaris classic type frontal fibrosing alopecia (subtype) UMLS:C0023645 MEDGEN:44150 Lichen planopilaris (LPP) is a rare cutaneous variant of lichen planus which affects hair follicles. It may occur on its own or in association with more common forms of lichen planus, usually classical type and/or oral lichen planus. SCTID:64540004 GARD:0003247 LPP Orphanet:525 lichen planus follicularis MESH:C535892 follicular lichen planus ICD10CM:L66.1 Kossard disease MONDO:0018879