International Journal of Trichology International Journal of Trichology
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REVIEW ARTICLE
Year : 2018  |  Volume : 10  |  Issue : 2  |  Page : 51-60

Alopecia areata: Review of epidemiology, clinical features, pathogenesis, and new treatment options


1 Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, Miami, Fl 33136, USA
2 Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, Fl 33136, USA

Correspondence Address:
Evan Darwin
Department of Dermatology and Cutaneous Surgery, University of Miami Miller School of Medicine, 1600 NW 10th Ave., RMSB 2023, Miami, Fl 33136
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijt.ijt_99_17

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Alopecia areata (AA) is a complex autoimmune condition that causes nonscarring hair loss. It typically presents with sharply demarcated round patches of hair loss and may present at any age. In this article, we review the epidemiology, clinical features, pathogenesis, and new treatment options of AA, with a focus on the immunologic mechanism underlying the treatment. While traditional treatment options such as corticosteroids are moderately effective, a better understanding of the disease pathogenesis may lead to the development of new treatments that are more directed and effective against AA. Sources were gathered from PubMed, Embase, and the Cochrane database using the keywords: alopecia, alopecia areata, hair loss, trichoscopy, treatments, pathogenesis, and epidemiology.


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