Computed tomography of hepatocellular carcinoma

Computed tomography (CT) was used to evaluate 16 cases of hepatocellular carcinoma. CT identified and localized the tumor in 15 cases, an overall detection rate of 94%. The technique of dynamic CT scanning (rapid sequential scans after intravenous bolus of contrast medium), used in several cases, proved useful for determining patency of the portal vein and inferior vena cava and for demonstrating arteriovenous shunting due to tumor. CT detected some tumors missed by radionuclide scanning and arteriography. An approach to the diagnostic workup of patients with known or suspected hepatoma is presented, with a discussion of the roles of ultrasonography, radionuclide scanning, and arteriography.
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