筛前神经痛,又称筛前神经综合征和嗅沟综合征。主要表现为前额阵发性或持续性胀痛,部分患者向鼻梁和眼眶放射,一般认为与筛前神经受压或神经炎症有关。由于中鼻甲肥厚、鼻中隔偏曲和黏膜水肿等长期压迫神经分支促使发病,因筛前神经位于鼻黏膜浅层,若用地卡因作表面麻醉能使头痛 Anterior mesh neuralgia, also known as anterior ethmoidal syndrome and olfactory groove syndrome. Mainly for the frontal paroxysmal or persistent pain, some patients to the nasal and orbital radiation, generally considered to be associated with the pre-sieve nerve compression or nerve inflammation. Due to hypertrophy of the middle turbinate, nasal septum deviation and mucosal edema and other long-term compression of nerve branches to promote the disease, because the anterior ethmoid nerve located in the superficial nasal mucosa, if the lidocaine can make a headache