Primary Cicatricial Alopecia

The document from December 2016 provides a comprehensive overview of primary cicatricial alopecia (PCA), detailing the clinical presentation, diagnosis, and management of various forms of PCA. It describes Pseudopelade of Brocq, Central centrifugal cicatricial alopecia, Alopecia mucinosa, and Keratosis follicularis spinulosa decalvans, highlighting their unique characteristics and recommended treatments, which often include topical and intralesional corticosteroids, hydroxychloroquine, and other medications. Additionally, the document covers folliculitis decalvans, dissecting cellulitis, and folliculitis keloidalis, noting their prevalence in certain demographics, clinical features, and the effectiveness of treatments like systemic antibiotics, isotretinoin, and laser hair removal. Histological features of PCAs are described, and management strategies are discussed, including the use of antibacterial shampoos, topical antibiotics, ITA injections, cryotherapy, retinoids, and surgical options. The document stresses the importance of early recognition and management of PCAs to prevent permanent hair loss and improve patient outcomes.