我科两年中有5例转移癌性脓胸,原发灶为肺腺癌4例,肺泡癌1例。全部误诊为结核性脓胸,行胸改术3例,剥脱术1例。术后存活3—9个月。误诊原因主要为有典型胸膜肥厚体征及X线表现4例,液气胸1例,肺内未见明确肿瘤阴影,术前在痰及胸水中未查到瘤细胞。诊断注意与结核脓 In our department, metastatic empyema occurred in 5 cases in two years. The primary tumor was lung adenocarcinoma in 4 cases and alveolar carcinoma in 1 case. All misdiagnosed as tuberculous empyema, 3 cases of thoracic surgery, peeling surgery in 1 case. After 3-9 months of survival. The main causes of misdiagnosis included typical pleural hypertrophy signs and X-ray findings in 4 cases, and liquid pneumothorax in 1 case. There was no clear tumor shadow in the lung. No tumor cells were found in the sputum and pleural effusion before surgery. Diagnostic attention and tuberculosis pus