When are laboratory tests indicated in patients with vitiligo?

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Abstract
Background: Vitiligo has been associated with multiple endocrine and immune conditions. Several laboratory tests have been assessed in this disease with controversial results. Objective: The aim of this study is to analyze the levels autoantibodies, basal glycaemia, vitamin B12, folic acid and thyroid function and its association with the diagnosis and outcome of vitiligo patients through a case-control study. Material and methods: This case-control study was performed on 196 consecutive patients with vitiligo referred to our Dermatology Department. As a control group, 160 healthy individuals without vitiligo or known history of immunologic/endocrine disease were included. Data were analyzed using the SPSS 17.0 statistical software package. Results: Clinical, analytical and demographic data have been recorded. Our results showed that anti-thyroid peroxidase antibody and anti-parietal gastric cell antibody could be useful laboratory markers in a subpopulation of vitiligo patients. However, testing anti-nuc...

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