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  • Title: [The effects of portal vein microscopic and macroscopic tumor thrombi on post-operation patients with hepatocellular carcinoma].
    Author: Fan J, Tang ZY, Wu ZQ, Zhou J, Zhou XD, Ma ZC, Qin LX, Qiu SJ, Yu Y, Huang C.
    Journal: Zhonghua Wai Ke Za Zhi; 2005 Apr 01; 43(7):433-5. PubMed ID: 15854367.
    Abstract:
    OBJECTIVE: To evaluate the effects of portal vein microscopic and macroscopic tumor thrombi on post-operation patients with hepatocellular carcinoma (HCC). METHODS: Three thousand three hundred and forty eight HCC patients were retrospectively reviewed, which were divided into no portal vein tumor thrombi (PVTT), microscopic PVTT and macroscopic PVTT groups according to the pathology, effects of portal vein microscopic and macroscopic tumor thrombi on post-operation patients's survival were studied by univariate analysis and overall survival was evaluated in each group. RESULTS: Hazard ratio (HR) of portal vein microscopic tumor thrombi and macroscopic tumor thrombi was 1.421 and 3.136 respectively; The overall 1-, 3-, 5- and 10-year cumulative survival rate was 85.97%, 62.78%, 49.88% and 35.42% respectively, and mean time for survival was 59.7 months in group without PVTT, while 74.42%, 51.66%, 39.25% and 27.28% respectively and mean time for survival 39.1 months in group with microscopic PVTT, 52.59%, 25.97%, 20.42% and 11.33% respectively and mean time for survival 13.5 months in group with macroscopic PVTT. CONCLUSIONS: PVTT was an important prognostic factor for survival in post-operation patients with HCC while macroscopic PVTT was more danger than microscopic PVTT. The period of microscopic PVTT was the landmark affecting post-operation survival.
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