患者，男，４８岁，农民。入院前４个月洗脸时突然出现右面颊、下颌、耳前发作性闪电针刺样痛，持续３秒后停止，此后每于吃饭、洗脸、刷牙时疼痛发作，持续时间约数秒至２分钟不等，发作时伴有病侧鼻粘膜充血、流涕，初每日发作３～５次，近来每日多达２０余次。曾在外院... Patient, male, 48 years old, farmer. 4 months before admission wash your face suddenly appeared right cheek, jaw, ear acupuncture lightning stroke pain persist for 3 seconds after the stop, since every meal, wash your face, brush your teeth when the pain episode, the duration of about a few seconds to 2 minutes And so on, with the onset of nasal mucosa lesions congestion, runny nose, early episodes of 3 to 5 times daily, up to more than 20 times daily. Once outside the hospital ...