美《医学论坛报》第21卷第5期(1980年)报道东京消息:据慈惠医科大学内科医生山中说,超声断层摄影结合细针吸引诊断疑似胰腺癌,准确率可达90％。山中及其同事使用此技术对30名病人进行检查,这些病人的形态学变化已由超声、X线、内窥镜检查及其它方法加以检测,确证了22例胰腺癌,6例慢性胰腺炎。2例结果假阴性,是由于采取的细胞标本过少,不能进行检查。尽管通常用细胞检查来诊断恶性肿瘤,但 The Medical Tribune, Volume 21, Issue 5 (1980) reported in Tokyo: According to Shan Zhong, a physician at the Chi Hui Medical University, ultrasound tomography combined with fine needles is used to diagnose suspected pancreatic cancer with an accuracy of 90%. Yamanaka and his colleagues used this technique to examine 30 patients whose morphological changes have been examined by ultrasound, X-ray, endoscopy, and other methods, confirming 22 cases of pancreatic cancer and 6 cases of chronic pancreatitis. The false negative result in 2 cases was due to the fact that the number of cell specimens taken was too small to be examined. Although cell examination is usually used to diagnose malignant tumors,