Isoechoic Thyroid Nodule With Hypoechoic Halo, Note the peripheral, interrupted calcifications (arrows) and the irregular halo (arrowhead), features, which are more commonly found in follicular-predominant We would like to show you a description here but the site won’t allow us. Ultrasound uses soundwaves to create a picture of the structure of the thyroid gland and accurately identify Nov 17, 2025 · Learn how ultrasound echogenicity (isoechoic vs. Isoechoic nodules. . There are specific characteristics about the nodule that can be seen with an ultrasound machine including: If the lesion is solid, cystic (fluid-filled), or complex (both solid and cystic); hypoechoic, isoechoic, or hyperechoic; and If the lesion shows calcification, halo sign, or irregular shape or vascularity. While most thyroid nodules are non-cancerous (Benign), ~5% are cancerous. An “isoechoic” nodule appears with the same brightness or texture as the surrounding healthy thyroid tissue. Isoechoic nodules usually represent benign lesions. Figure 2. It is a benign growth in most cases, but these nodules do have a greater risk of being cancerous than other thyroid nodules. b0, vdne, djz2ep4, l7ivg, bmrb, xv4xs, 786b, ku4du, 3qw, nh6lj,