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 ...

Most metastatic deposits are solid and mainly hypoechoic relative to the background liver (Fig. 4). Many will exhibit a hypoechoic "halo" (Fig. 5). There is some controversy as to whether the halo ...