双侧同时性贝尔氏面瘫是罕见病,作者在4年中发现570个病人患贝尔氏面瘫,其中有2人(0.35％)患双侧同时面瘫。过去认为贝尔氏面瘫是急性单纯周围面神经的病变,但是近来有更多的证据表明贝尔氏面瘫是全身多个神经病变的局部表现。作者报告两例病人,男女各一例,均在一侧面瘫后两天对侧又出现面瘫, Bilateral facial paralysis is a rare condition with bilateral simultaneity. The authors found 570 patients with Bell’s facial palsy over a four-year period, with two (0.35%) having bilateral facial paralysis. Bell’s facial paralysis was thought to have been a disease of acute pure peripheral facial nerve in the past, but more recent evidence suggests that Bell’s facial paralysis is a local manifestation of multiple neuropathies throughout the body. The author reported two cases of patients, one for each man and woman, both side paralyzed two days after the contralateral facial paralysis,