Abstract
Activity of vitiligo has not been considered as a patient selection criteria in previous studies; we decided to compare the presence of elevated thyroid auto-antibodies in patients with progressive and stable vitiligo. Seventy-two patients with vitiligo were examined for thyroid problems and were divided into 2 groups of stable and progressive vitiligo according to their history and physical examination. Anti-thyroid peroxidase antibodies (anti-TPO antibodies), thyroxine (T4), and thyroid stimulating hormone (TSH) levels were assessed for all patients. Elevated levels of anti-TPO antibodies were observed in 43.7% of the patients with stable vitiligo and in 37.5% of patients with progressive vitiligo, which was not statistically significant (P = .315). This study not only confirmed thyroid dysfunction in patients with vitiligo but also showed that there was no difference in thyroid dysfunction and anti-TPO antibody levels in the subgroups of patients with stable or progressive vitiligo.
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