Fig. 3From: Indolent thyroid cancer: knowns and unknownsVery low suspicion pattern. Transverse and longitudinal sonographic images of the right lobe of the thyroid show an echogenic nodule (arrow) against a background of hypoechoic, enlarged thyroid with curvilinear echogenic bands. These features of the background thyroid are characteristic of Hashimoto’s thyroiditis. The echogenic nodule is a benign “white knight” nodule, representing a regenerative noduleBack to article page