本文旨在报道手术治疗原发和继发肝肿瘤时常规术中应用超声的实际效果。1983～1984年治疗98例肝和胃肠肿瘤时应用术中超声56例术前已确认为肝肿瘤,计25例肝细胞癌、25例继发性肝癌、6例良性肿瘤;42例系为原发性胃肠道恶性肿瘤探查时才发现肝肿瘤。病人在术前均做过超声检查,同一检查者用3.5 This article aims to report the actual results of routine intraoperative ultrasound in the surgical treatment of primary and secondary liver tumors. During the treatment of 98 cases of liver and gastrointestinal tumors from 1983 to 1984, 56 cases of intraoperative ultrasound were confirmed as liver tumor before operation, including 25 cases of hepatocellular carcinoma, 25 cases of secondary liver cancer, and 6 cases of benign tumors; 42 cases were Liver neoplasms were only detected when a primary gastrointestinal cancer was explored. The patient had had an ultrasound examination before the operation. The same examiner used 3.5