alopecia Quinquaud's folliculitis decalvans https://rarediseases.info.nih.gov/diseases/373/quinquauds-decalvans-folliculitis https://www.malacards.org/card/quinquauds_folliculitis_decalvans ICD9:704.09 Quinquaud's disease MONDO:0018103 UMLS:C2608043 Quinquaud's decalvans folliculitis folliculitis decalvans Orphanet:346 Folliculitis decalvans is a rare chronic inflammatory cicatricial alopecia of the scalp occurring in middle-aged adults and characterized by the development of alopecic patches with slowly centrifugal spread predominantly in the vertex and occipital area of the scalp, associated with perifollicular erythema, follicular pustules and hemorrhagic crusts. icd11.foundation:1454811046 Quinquaud’s disease MEDGEN:750617 GARD:0000373 SCTID:53593008