胸腔积液良恶性的鉴别诊断一直是临床医生研究的重要课题。1983年1月至1985年12月,我院呼吸科病房共收治917人,其中胸腔积液病例为184人,占住院总人数的20.06%。在184例胸腔积液中各种类型胸腔积液所占比例为:结核性80.4%;癌性9.87%;肺炎后4.89%;漏出液4.89%。目前,在我国临床上渗出液最重要是区别癌性还是结核性病因。据报告,虽经各种常规 Differential diagnosis of benign and malignant pleural effusion has been an important issue for clinicians. January 1983 to December 1985, our hospital respiratory ward treated a total of 917 people, of which 184 cases of pleural effusion, accounting for 20.06% of the total number of hospitalizations. In 184 cases of pleural effusion in various types of pleural effusion accounted for: tuberculosis 80.4%; cancerous 9.87%; 4.89% after pneumonia; 4.89% leakage of fluid. At present, the most important clinical exudate in China is to distinguish between cancerous or tuberculous etiology. It is reported that despite all kinds of routine