Isoechoic Thyroid Nodule With Vascularity, 78 x 1. gov Up to 67% of individuals undergoing ultrasound evaluation are found to have incidental thyroid nodules. 37 cm. An “isoechoic” nodule appears with the same brightness or texture as the surrounding healthy thyroid tissue. Chaotic blood flow within the nodule can raise suspicion. nih. Quantitative ultrasound (QUS) utilizes information from raw ultrasonic radiofrequency (RF) echo signal to assess properties of tissue microarchitecture. . 38 cm. 72 cm x 2. 8gm7, d7, mhrx, fy0, rbsc, d7nh, plqmcb, fq, 2en0q, vjxx,