老年人由于神经系统生理和病理方面的改变，当发生颅内肿瘤时临床表现与青壮年也有一定差异。如发现以下现象时，应作为颅内肿瘤的早期信号：精神障碍和智力下降老年人发生颅内肿瘤时，常以精神障碍和智力下降为首发症状。如表现为情绪紊乱，易激动，或精神淡漠，或有离奇行为 Elderly due to changes in the nervous system physiology and pathology, when the occurrence of intracranial tumors, clinical manifestations and young adults also have some differences. Such as the following phenomena should be found as an early signal of intracranial tumors: mental disorders and mental decline in the elderly intracranial tumors, often with mental disorders and mental decline as the first symptom. Such as the performance of emotional disorders, irritability, or apathetic, or bizarre behavior