<prompt> Which of the following feature of a thyroid nodule on ultrasonogram is not suggestive of malignancy?HyperechogenisityHypoechogenisityNonhomogenousMicrocalcification  <response>: The hyperechoic structure on ultrasonography suggests a benign lesion. Malignancies always have a hypoechoic or nonhomogeneous hypoechoic structure.USG features of malignancy in a thyroid noduleHypoechoic nonhomogeneous solid Microcalcification Variable peripheral rimInternal vascularityLymph node involvement 