以肌无力为首发症状的肺癌14例临床分析

Clinical Analysis of 14 Cases with Myasthenia Gravis as the First Symptom of Lung Cancer

目的：了解以肌无力为首发症状的原发性肺癌的临床特征。方法分析2006年12月～2013年12月收治14例经病理学检查确诊的、以肌无力为首发症状的原发性肺癌患者的临床资料。结果以肌无力为首发症状的原发性肺癌患者占同期肺癌住院人数的2．1％（14／668）。首诊误诊率为85．7％（12／14）。结论对突然出现肌无力而找不出原因且年龄在50岁以上患者，应首先考虑有无隐匿性肿瘤的存在，以减少肺癌的误（漏）诊率。

Objective To know the myasthenia gravis as the first symptom of clinical characteristics of primary lung cancer.Methods Retrospective analysis of 14 cases admitted in From december 2006 to december 2013 the pathology confirmed, with the first symptoms of muscle weakness patients with primary lung cancer patients′clinical informa-tion.Results Muscle weakness as the first symptom of primary lung cancer patients accounted for 2.1%of the number of lung cancer （14/668）.The misdiagnosis rate was 85.7%（12/14）.Conclusions The sudden muscle weakness and can′t find out the reason and the patient over the age of 50, should first consider whether the presence of occult tumor , in order to reduce the misdiagnosis of lung cancer .（leakage） diagnosis rate.