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Official Journal of the Italian Society of Dermatology and Sexually Transmitted Diseases
Indexed/Abstracted in: EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,014
Fabbri P., Amato L., Chiarini C., Massi D., Moretti S.
Clinica Dermatologica II Dipartimento di Scienze Dermatologiche Università degli Studi di Firenze, Firenze
Scarring alopecia (SA) is a group of diseases characterized by permanent hair loss, cutaneous atrophy and sclerosis of variable grade. Two forms of acquired SA have been described: “primary” and “secondary” forms. In the primary acquired SA the inflammation target is the follicle; in the secondary SA the follicle is merely an “innocent bystander”: inflammation affects primarily the interfollicular skin and later destroys the follicle in a non-specific manner. Primary acquired SA may be divided into 2 main groups according to the type of the cell infiltrate: lymphocytic forms and neutrophilic forms. In the lymphocytic forms we include: a) pseudopelade of Brocq; b) lichen planopilaris; c) chronic cutaneous lupus erythematosus; d) central centrifugal scarring alopecia. In the neutrophilic forms: a) folliculitis decalvans; b) tufted folliculitis; c) erosive pustular dermatosis of the scalp; d) dissecting cellulites; e) acne keloidalis. According to the cases studied in the last 10 years at the Department of Dermatological Sciences of the University of Florence, we reported the diagnostic, clinical, histopathological and immunopathological criteria for each of these forms.