颅内占位性病变因性质、部位、病程发展及个体差异的不同,临床表现很不相同,易造成误诊。本文就我院内科门诊误诊为其他疾病,经确诊为颅内占位性病变30例误诊原因分析如下。1　临床资料30例中男18例,女12例。年龄13～72岁,平均发病年龄42.7岁。病程最短2天,最长10年。首发症状 Intracranial space-occupying lesions due to nature, location, duration of development and individual differences in different clinical manifestations are very different, easily lead to misdiagnosis. This article on our hospital internal medicine misdiagnosed as other diseases, diagnosed as intracranial space-occupying lesions in 30 cases of misdiagnosis as follows. A clinical data of 30 cases, 18 males and 12 females. Aged 13 to 72 years old, with an average age of 42.7 years of age. The shortest duration of 2 days, up to 10 years. First symptom