文献报告临床上有22％～36％的胸水经全面检查尚难确诊,尤其是中老年胸水的鉴别更为困难。近年来国内外陆续开展了一些新的检测方法,以提高其诊断的敏感性及准确性。我们自1986年2月～1987年9月对各种病因所致的胸腹 Reports in the literature indicate that 22% to 36% of the pleural effusions in the clinic are difficult to be diagnosed after a thorough examination, and the identification of pleural effusions in middle-aged and older people is particularly difficult. In recent years, some new detection methods have been carried out at home and abroad to improve the sensitivity and accuracy of its diagnosis. We have suffered from various causes caused by the chest and abdomen from February 1986 to September 1987