癌性胸腔积液是一种常见病症,占全部胸腔积液的25%以上[1],近期报告胸腔积液中癌性占首位。癌性与良性胸腔积液的鉴别诊断是当前临床上的难题之一,为了提高对本病症的诊断水平,现将我院2000年1月—2004年8月60例癌性胸腔积液资料分析如下。1临床资料1·1诊断标准胸腔积液:抽到 Cancerous pleural effusion is a common condition that accounts for more than 25% of all pleural effusions [1]. It has recently been reported that pleural effusion is the most common cancer. The differential diagnosis of cancerous and benign pleural effusions is one of the current clinical problems. In order to improve the diagnostic level of this disease, the data of 60 cases of cancerous pleural effusions in our hospital from January 2000 to August 2004 are analyzed as follows: . 1 Clinical data 1 · 1 diagnostic criteria pleural effusion: pumped