面神经大部分行于颅内,检查评估其功能十分困难。目前国内外应用的面神经电图(ENoG)虽被认为是诊断面神经病变及判断预后的客观方法,由于面神经的解剖特点,大部颅内和颞骨内段面神经仍无法直接检测,故有很大局限性。虽然近年来在小脑桥脑角手术中可以直接电刺激面神经 Most of the facial nerve line in the brain, check to assess its function is very difficult. At present, ENOG is considered as an objective method for diagnosing facial neuropathy and prognosis. Due to anatomical features of the facial nerve, most of the facial nerve in the intracranial and temporal bone can not be directly detected, so it is very limited Sex. Although in recent years in the cerebellopontine angle surgery can be directly electrical stimulation of the facial nerve