Percutaneous argon-helium cryoablation for primary hepatocellular carcinoma:report of 300 cases / 解放军医学杂志

Objective To evaluate the therapeutic effect,safety and complication of percutaneous argon-helium cryoablation in the treatment of primary hepatocellular cancer(HCC).Methods Three hundred HCC patients were treated with percutaneous argon-helium cryoablation under ultrasound guidance with argon-helium cryosurgical system.Results Two hundred and thirty-three tumors(diameter ranged from 5.0cm to 15cm,with a mean of 7.2cm?2.8cm),in 165 patients were considered to be incompletely ablated,while 185 tumors(diameter ranged from 1.9cm to 7.0cm with mean value of 5.6cm?0.8cm) in 135 patients were completely ablated.There was a significant difference in tumor diameter between these two groups(P