原发性三叉神经痛是神经科较常见的疾病,但目前病因尚未完全清楚。本文对门诊57例患者进行分析,并对病因提出一些看法。临床资料本组病例均有面部三叉神经分布区内的反复发作的阵发性剧痛,不伴有神经系统阳性体征。有关辅助检查包括脑CT等均未见异常,符合原发性三叉神经痛的诊断。男32例,女25例。年龄28 Primary trigeminal neuralgia is a neurological common disease, but the cause is not yet fully understood. This article analyzes 57 outpatients and puts forward some opinions on the cause. Clinical data of this group of patients have facial trigeminal nerve distribution of recurrent paroxysmal pain, without the presence of positive signs of the nervous system. Auxiliary examination, including cerebral CT were no abnormalities, in line with the diagnosis of primary trigeminal neuralgia. 32 males and 25 females. Age 28