1病例介绍患者男,40岁。因“反复头痛8年余,再发半月”入院。8年前开始出现头痛,以左颞部及左眼眶周围明显,呈搏动性、阵发性疼痛,每次持续约半天,休息或服止痛药可缓解,无恶心、呕吐,无肢体无力或抽搐。半月前再次发作类似头痛,于门诊行头颅CT检查发现左侧额叶局灶高密度影,以行头颅MRI 1 case description Patient male, 40 years old. Because of “repeated headache more than eight years, and then send a half months ” admission. 8 years ago, headache began to appear in the left temporal and left orbit around the obvious, pulsatile, paroxysmal pain, each lasting about half a day, resting or taking painkillers can ease, no nausea, vomiting, no limb weakness or convulsions . Half a month before the attack again similar to headache in the clinic head CT examination of the left frontal lobe found in high-density, line head MRI