Autoantibodies to triiodothyronine and thyroxine in primary hypothyreosis.

The role of autoantibodies to triiodothyronine and thyroxine hormones is still obscure. Our investigation of autoantibodies in primary hypothyreosis gave controversial results. We have investigated 40 patients with primary hypothyreosis caused by chronic atrophic thyroiditis and lymphocytic Hashimoto thyroiditis.