Abstract:Alopecia areata is an organ-specific autoimmune disease targeting hair follicles. It causes nonscarring hair loss. The prevalence rate of the disease is approximately 1 in 1000 people worldwide. The condition is most commonly seen as circular areas of hair loss, but it may sometimes be as extensive as to involve the whole scalp or whole body. The complex pathophysiology of alopecia areata involves an autoimmune basis. Association of alopecia areata with other autoimmune diseases, such as thyroiditis and vitili… Show more
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