早、中期原发性肝癌(简称肝癌)患者,术前病灶的准确定位,对指导手术极为重要。本文根据33例患者的肝脏肿瘤术前在超声仪上的不同显象,与术中所见、组织学检查,进行对照和讨论,力求对超声显示的病灶图象,在大小、性质等方面,作出较为切合实际的判断;对B型超声仪在肝癌诊断中的地位作一评价。 In the early and mid-term primary liver cancer (abbreviated as liver cancer) patients, accurate positioning of preoperative lesions is extremely important for guiding surgery. This article according to 33 patients with liver tumors on the ultrasound imaging before surgery, and intraoperative findings, histological examination, control and discussion, and strive to focus on ultrasound images, in size, nature, etc. Make more practical judgments; evaluate the status of the B-mode ultrasound system in the diagnosis of liver cancer.