Fig. 21
From: Non-neoplastic pathology at the crossroads between neck imaging and cardiothoracic imaging
Hashimoto’s thyroiditis. Grayscale (a) ultrasound imaging demonstrating diffuse enlargement of the thyroid gland with heterogeneous parenchyma and micronodular echotexture. Color Doppler (b) ultrasound imaging demonstrates diffuse hypervascularity, reflecting the early phase of disease secondary to the hypertrophic action of thyroid-stimulating hormone (TSH)