支气管肺癌(简称肺癌)是癌症中最常见的一种。它可引起一系列肺外表现及神经系统并发症,有时出现在肺癌被发现之前。因此常被误诊为其它疾病而延误治疗。我科1983至1985年收治肺癌83例,其中3例以特殊表现为首发症状,占2.4％。特报告病例如下: 例1男、57岁。因眩晕20天,头痛、呕吐7天入院。住院第7天出现轻咳,痰中带血。既往健康。查体无异常。初诊为“颈椎病”、“锥基底动脉供血不足”。胸片:左上肺中外带见一圆形结节状影,约4×4cm大小,密度不均,并 Bronchial lung cancer (referred to as lung cancer) is the most common type of cancer. It can cause a series of extrapulmonary manifestations and neurological complications, sometimes before lung cancer is discovered. Therefore often misdiagnosed as other diseases and delay treatment. In our department from 1983 to 1985, 83 cases of lung cancer were treated, of which 3 cases had special symptoms as the first symptom, accounting for 2.4%. The special report cases are as follows: Example 1 Male, 57 years old. Due to dizziness for 20 days, headache and vomiting were admitted to the hospital for 7 days. On the 7th day of hospitalization, he had a mild cough and bloody sputum. Past health. There is no abnormality in the examination. Newly diagnosed as “cervical spondylosis” and “cone basilar artery insufficiency.” Chest radiograph: The upper left lung shows a round nodular shadow in the middle and outer parts of the lung, about 4×4cm in size, with uneven density, and