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  • Title: Changes in hepatic lobe volume in hepatocellular carcinoma after transcatheter arterial and percutaneous transhepatic portal embolization.
    Author: Hatsuno T, Kaneko T, Inoue S, Sugimoto H, Takeda S, Nakao A.
    Journal: Hepatogastroenterology; 2004; 51(60):1820-4. PubMed ID: 15532834.
    Abstract:
    BACKGROUND/AIMS: Determining changes in liver volume after preoperative percutaneous transhepatic portal embolization (PTPE) for hepatocellular carcinoma (HCC) is essential in managing the operation safely. We evaluated the alterations in liver volume by means of ultrasonography (US) and computed tomography (CT). METHODOLOGY: We studied 12 patients scheduled for hepatectomy with HCC. Transcatheter arterial embolization (TAE) and PTPE of the right portal vein were performed preoperatively. Liver volume was evaluated before and after PTPE. RESULTS: The volume of the right lobe measured by CT significantly decreased from 709+/-266 cm3 before PTPE to 589+/-209 cm3 18 days after PTPE (P=0.0021). The volume of the left lobe significantly increased from 382+/-97 cm3 to 477+/-84 cm3 (P=0.0008). US volume measurement of the left lateral segment revealed a temporary volume increase 2 days after PTPE and a significant linear correlation between the hypertrophy ratios from 2 to 18 days after PTPE (r=0.946, P<0.0001). CONCLUSIONS: Preoperative PTPE allowed a compensatory volume increase in the remnant liver. A sonographic estimation is useful in confirming the dynamic alteration of liver hypertrophy. Care must be taken for appropriate timing of a CT scan for volume measurements, considering the drawbacks associated with irradiation.
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