• 1. Division of Thyroid and Parathyroid Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu 610041, P. R. China;
WEI Tao, Email: surgeonwei5776@163.com
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Objective To summarize and analyze the possible association between thyroid diseases and alopecia areata. Method The literatures on the relationship between thyroid disease and alopecia areata in recent years were searched and reviewed. Results Among individuals with alopecia areata, the risk of thyroid diseases was heightened. They were more susceptible to autoimmune thyroid conditions, often accompanied by thyroid function abnormalities. Moreover, alopecia areata patients face an increased risk of thyroid cancer. However, in patients with thyroid diseases, the change of the incidence of alopecia areata was not completely clear. The risk of alopecia areata was increased in patients with autoimmune thyroid diseases, and abnormal thyroid function may be one of the potential reasons for the persistence of alopecia areata. Conclusions Autoimmune thyroid disease and alopecia areata may have a common disease basis. Patients with alopecia areata are at greater risk of autoimmune thyroid disease and thyroid dysfunction. The increased risk of alopecia areata in patients with autoimmune thyroid diseases may be related to abnormal thyroid function.