In adults and in children older than 2–3 months, the renal cortex is normally less echogenic than the liver parenchyma. Some researchers have suggested that hyperechogenicity of the renal cortex ...

Often, hyperechoic metastases correspond to hypervascular lesions, including metastases from renal cell carcinoma, breast carcinoma, and islet cell tumors (Fig. 6). Hypoechoic masses tend to be ...