J.Jpn. Surg. Soc.. 91(9): 1227-1230, 1990

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Report on the annual meeting

IS EXTENSION OF RESECTION RANGE FOR HEPATOCELLULAR CARCINOMAS BENEFICIAL ?

We discuss benefit obtainable by extension of resection range in view of regional characteristics and long-term results of 389 hepatocellular carcinomas resected from Jan. 1981 through 1989. Incidence of intrahepatic metastases amounts to 25% even in 31 small cancers of 2cm or less. The minute intrahepatic metastatic deposits of 5mm or less in size were discovered only in the resected specimen, not by pre-or intraoperative ultrasound. About 80% of intrahepatic recurrences after small ranged curative resections for HCCs of 5cm or less developed in the subsegments adjacent to the resected area. Massive resection group showed a better survival than limited resection group for the HCCs with intrahepatic metastases although there was no difference in survival between the massive and limited resection groups for those without intrahepatic metastases. The findings described above recommend us a policy that a range of resection should be extended within safe hepatic reserve for HCC with possibility of intrahepatic metastasis.

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