我所于１９９７年５月～１９９９年８月对２０例原发性肝癌患者在Ｂ超引导下采用３６％醋酸进行瘤内注射治疗，取得满意效果。１ 材料与方法１．１ 对象 １９９７年５月～１９９９年８月在我所住院的原发性肝癌患者２０例，男１８例，女２例；平均年龄３７．６岁。肿瘤直径９２ From May 1997 to August 1999, 20 patients with primary liver cancer underwent intratumoral injection of 36% acetic acid under the guidance of B-ultrasound and achieved satisfactory results. 1 Materials and methods 1.1 Subjects There were 20 patients with primary liver cancer who were hospitalized from May 1997 to August 1999. There were 18 males and 2 females; the average age was 37.6 years. Tumor diameter 92