Thyroid ultrasound grading can determine the nature of the thyroid tumor, whether benign or malignant.
Thyroid ultrasound can be graded into 6 grades, with grades 0 to 3 generally being benign and grades 4 to 6 having a high chance of malignancy. The rate of 4C is higher, the rate of 4B is 20 to 50 percent, and the rate of 4A is lower, but the higher the grade the greater the likelihood of malignancy.