Serologic Evaluation: because of previous reports of autoimmune disease,thyroiditis, and celiac disease in patients with SIgMID, the 2 patients werescreened for anemia, ANA, anti-endomysial antibody, anti-gliadin antibody, anti-transglutaminaseantibody, and thyroid autoantibodies. The gene discussed is BTG3; the disease is thyroiditis.