老年人易患脑动脉硬化、脑梗塞、脑血栓等脑血管病,由于脑肿瘤与这些疾病临床表现酷似,因此老年脑肿瘤患者容易被这些“表面现象”所麻痹。老年人多有不同程度的脑萎缩,使颅内“剩余空间”增大。当肿瘤较小时,颅内足以为肿瘤生长提供充裕的空间,以致老年脑瘤患者在较长时间内不会出现头痛、恶心、呕吐及眼底 Older people susceptible to cerebral arteriosclerosis, cerebral infarction, cerebral thrombosis and other cerebrovascular diseases, brain tumors and clinical manifestations of these diseases resembles, so elderly patients with brain tumors are easily paralyzed by these “surface phenomena ”. Elderly people have varying degrees of brain atrophy, so that intracranial “remaining space ” increased. When the tumor is small, the intracranial enough to provide ample space for tumor growth, so that elderly patients with brain tumors in a long time without headache, nausea, vomiting and fundus