A Prospective Controlled Study on Treatment of Giant Cavernous Hemangiomas of the Liver

Inclusion Criteria: * giant cavernous hemangiomas with a diameter larger than or equal to 5 cm diagnosed by more than one imaging modalities * age between 18 years to 65 years * without gender restriction * PLT account more than 50 e9 * without abnormal of liver function test * with substantial evidence of growing size than before * symptom associated cavernous hemangiomas * with a strong desire of the patients for the treatment Exclusion Criteria: * pregnant women * abnormal of liver function or coagulation dysfunction and/or concurrent with sever cardiac or pulmonary disorders * patient with a poor condition that can't bear the approach of either RFA or laparoscopic hepatectomy * tumor size more than 20cm