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  • Title: Hepatobiliary imaging of functional and morphological changes following hepatic arterial embolization in hepatocellular carcinoma.
    Author: Tai DI, Chen HY, Wang PW, Lee CH, Lee TY, Chen WJ, Chen JJ, Chang Chien CS.
    Journal: J Nucl Med; 1995 Sep; 36(9):1590-4. PubMed ID: 7658215.
    Abstract:
    UNLABELLED: Hepatic arterial embolization (HAE) is the treatment of choice for inoperable hepatocellular carcinoma. There are functional changes following HAE in the tumor and in the adjoining normal liver and biliary structures. We sought to determine if a 99mTc-HIDA hepatobiliary scan could evaluate the morphological and functional changes of the liver and biliary systems in patients with hepatocellular carcinoma undergoing HAE. METHODS: Patients with hepatoma were evaluated by 99mTc-HIDA hepatobiliary scans before and after HAE. RESULTS: Ten patients with histologically proven hepatomas had 44 99mTc-HIDA scans over a 319-mo period. Liver uptake was good in all patients, none developed hepatic failure. Liver tumors were detected in five of the eight studies done before the first HAE. The HIDA scan failed to locate the tumor throughout the whole study period in only one patient. Two patients showed evidence of tumor uptake of the HIDA agent. In one of these two patients the hot uptake disappeared after the HAE but reappeared after tumor recurrence. Gallbladder filling time and contractility worsened in all eight patients the day after embolization. On the HIDA scans, the gallbladder was not visualized in three of four patients who survived longer than 40 mo after HAE. Bile stasis in the left intrahepatic duct was found in six of the eight patients who survived longer than 8 mo after HAE. CONCLUSIONS: Biliary complications were common in patients who received HAE, and HIDA scans may be useful for evaluating the biliary system and hot uptake in hepatocellular carcinoma in candidates for HAE.
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