恶性胸腔积液是晚期胸部恶性肿瘤或胸部转移瘤常见并发症之一。过去曾应用多种方法如胸腔内注射红霉素 ,美兰 ,顺铂等 ,但疗效多不理想。我科自 1994年起应用假单胞菌苗 (ＰＴＶ)治疗恶性胸腔积液取得了较好疗效 ,现报告如下。材料和方法一、病例 :全组病人均为恶性肿瘤合并胸 Malignant pleural effusion is one of the common complications of advanced thoracic malignancy or chest metastases. In the past, a variety of methods have been used, such as intrapleural injection of erythromycin, methylene blue, cisplatin, etc., but the efficacy is not ideal. Our department has applied Pseudomonas aeruginosa (PTV) to treat malignant pleural effusion since 1994. The results are as follows. Materials and Methods 1. Cases: All patients were malignant tumors with chest