URMC / Encyclopedia / Content Search Encyclopedia Disorders of the Thyroid Many disorders of the thyroid require clinical care by a physician or other health care professional. Listed in the directory below are some of the conditions, for which we have provided a brief overview. Hyperthyroidism / Graves' Disease / Toxic Nodular Goiter / Thyroiditis Hypothyroidism Hashimoto's Thyroiditis Tumors Thyroid Disorders in Women Hypothyroidism and Pregnancy Postpartum Thyroiditis Thyroid Hormone Replacement Therapy