低颅压综合症是一多原因造成的颅内脑脊液(CSF)量减少,临床出现类颅压高的神经症候群。为引起临床医生注意,现将三例报告如下:例一:男,68岁,农民。头疼,低热半年,头疼加重五天。半年来头部钝疼,伴有发热,咳嗽,午后较重。当地医院诊为肺结核,结核性脑膜炎,经X线胸部摄片证实并给予治疗。五天前行腰穿检查,操作时头垫枕,术后倚被卧床2小时,1小时后头疼加 Low intracranial pressure syndrome is caused by a number of causes of intracranial cerebrospinal fluid (CSF) decreased the clinical appearance of high intracranial pressure neurological syndrome. In order to arouse the attention of clinicians, three cases are reported as follows: Example 1: Male, 68 years old, farmer. Headache, fever six months, headache aggravate five days. Half a year head dull pain, accompanied by fever, cough, heavier afternoon. The local hospital was diagnosed as tuberculosis, tuberculous meningitis confirmed by X-ray chest radiography and given treatment. Five days before the lumbar puncture, head cushion pillow operation, reclining was bedridden 2 hours, 1 hour after the headache plus