Painful Radiation Thyroiditis after <sup>131</sup>I Therapy for Graves' Hyperthyroidism: Clinical Features and Ultrasonographic Findings in Five Cases

Abstract

Painful radiation thyroiditis should be reacknowledged as one of the complications of ¹³¹I therapy for Graves' hyperthyroidism. Ultrasonography demonstrated the characteristic changes caused by ¹³¹I-induced radiation thyroiditis.