Sixteen patients (15%) showed positive celiac serology and five patients clear villous atrophy were diagnosed with celiac disease (4.8%; 95% CI 0.7-8.9). All five patients diagnosed with celiac disease, and 53 patients with Hashimotos thyroiditis (50%; 95% CI 43-62), showed the presence of HLA-DQ2 (and/or -DQ8).
In a separate test within the study, 184 Individuals with known celiac disease were given a serological test for thyroglobulin and thyroid peroxidase Antibodies, after first being given thyroid biochemical, a thyroxine-free thyroid stimulating hormone.
39 patients (21%) showed positive thyroid serology. According to thyroid biochemistry results, ten patients showed euthyroidism (5%; 95% CI 2-9), seven showed sub-clinical hypothyroidism (3.8%; 95% CI 1.8-7.6), and 22 patients showed overt hypothyroidism, Hashimotos thyroiditis (12%; 95% CI 8-16). Furthermore, four patients with celiac disease had Graves disease (2%; 95% CI 0.8-5) and one patient had post-partum thyroiditis.
The study concludes that there is a clear association between Hashimotos thyroiditis and celiac disease. Accordingly, it is recommended that patients with Hashimotos thyroiditis be screened for celiac disease and that patients with known celiac be screened for Hashimotos thyroiditis.
World Journal of Gastroenterology 2007; 13(10).health writer who lives in San Francisco and is a frequent author of articles for Celiac.com.
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