肺癌的肺外表现近十余年来已引起临床的广泛重视,它是指由原发性肺癌引起的非转移性的呼吸道以外的临床表现,又称为肿瘤的副癌综合征或肿瘤副征,表现多种多样。因肺癌是嗜神经系统肿瘤,容易损害神经系统,以神经系统为首发症状的肺癌在临床工作中容易引起误诊及漏诊。 Pulmonary lung performance over the past decade has attracted widespread clinical attention, it refers to the primary lung cancer caused by non-metastatic respiratory manifestations other than the clinical manifestations, also known as the paraneoplastic syndrome of the tumor or tumor paralysis , A variety of performance. Because lung cancer is a neurotropic tumor, it is easy to damage the nervous system. Lung cancer with the nervous system as the first symptom is likely to cause misdiagnosis and missed diagnosis in clinical work.