in one ( c1 ) , there is a high incidence of exophthalmos , recurrence of hyperthyroidism after drug treatment , high titres of anti-thyroglobulin antibody , and an association with other autoimmune ( including thyroid ) diseases , a tendency for the disease to be familial and the presence of larger goitres .
C0020550
hyperthyroidism
C0040128
thyroid