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  • Title: Factors associated with survival exceeding 5 years after transcatheter arterial embolization for hepatocellular carcinoma.
    Author: Yoshioka H, Sato M, Sonomura T, Terada M, Kishi K, Yoshikawa A.
    Journal: Semin Oncol; 1997 Apr; 24(2 Suppl 6):S6-29-S6-37. PubMed ID: 9151914.
    Abstract:
    During the period between April 1981 and March 1988, 232 consecutive patients underwent transcatheter arterial embolization (TAE) for hepatocellular carcinoma at the Department of Radiology, Wakayama Medical College. A > or = 5-year course calculated from the time of the initial TAE was able to be confirmed in 216 patients, who became the subjects of this study. Five-year survival rates were calculated by the direct method, while the clinical features existing at the time of the initial therapy and the clinical course of patients surviving > or = 5 years were studied. The 5-year survival rate was 6.0%. Comparison of the patients dying within 1 year and the patients surviving for > or = 5 years revealed differences in the severity of liver cirrhosis and the tumor type. The long-term survivors tended to have low serum alpha-fetoprotein values. The clinical picture of the patients surviving > or = 5 years after TAE was characterized by relatively mild liver cirrhosis (Child's class A or B), a serum alpha-fetoprotein value of < or = 1,500 ng/dL, relatively small nodular-type tumors with a maximum main tumor diameter of < or = 5.5 cm, a tumor-occupying rate of less than 20%, and absence of portal vein involvement by the tumor. There were patients in whom a relatively small number of TAE sessions was effective in controlling the tumor for a prolonged period, with the patients then dying of causes unrelated to the tumor, as well as patients in whom proliferation of the tumor was controlled by numerous applications of transcatheter therapy, resulting in > or = 5-year survival but with eventual death due to the tumor. Transcatheter arterial embolization makes a major contribution to achieving long-term survival of > or = 5 years in patients with hepatocellular carcinoma.
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