Research Article Primary Thyroid Disorders in Patients with Endogenous

License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Cushing’s syndrome (CS) may alter the performance of the hypothalamic-hypophyseal-thyroid axis. We searched for a relationship betweenhypercortisolism andprimary thyroid disorders.Themedical records of 40 patientswithCSwere retrospectively examined. Thyroid ultrasonography (USG), basal thyroid function test results (TFT), and antithyroglobulin and antithyroperoxidase antibodies were analyzed. In 80 control subjects, matched by age and gender with CS patients, thyroidUSG, TFTs, and autoantibody panel were obtained. Among the CS patients, 17 had nodular goiter, versus 24 controls (42.5 % versus 30%