Many will exhibit a hypoechoic "halo" (Fig. 5). There is some controversy as to whether the halo is composed of compressed normal liver parenchyma, new proliferating tumor, edema, a rim of ...

There is growing agreement that convalescence from inflammatory hepatic disease and ... non-extracting scar tissue or failure of damaged parenchymal cells to remove the dye from blood passing ...

Detection of metastatic disease by imaging is based on lesion ... will be maximized by selectively enhancing the background liver parenchyma by the administration of contrast material.