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作者检查了500例面瘫病人,发现20％左右的病人存在潜在原因的麻痹,其余考虑为Bell氏麻痹。有些病人虽有Bell氏麻痹的神经症状,但并非都是Bell氏麻痹;而有些病人虽已找到麻痹原因,但却具有Bell氏麻痹的典型表现。面部运动功能:单侧面瘫者如保存额纹,则发生于上运动神经原性损害,有时在周围性面瘫亦可见到额纹,因此对存有额纹的病例鉴定其面瘫系周围性抑中枢性极为重要。周围性面神经病灶的额纹存在决定于面神经管内面神经纤维的空间分布状态。有中枢性损伤的面神经麻痹多合并其他神经症状,如失去面部随意表情,但保持着感情的或不随意的面部运动,因面部感情运动的神经支配由锥体外系纤维所联系,经常不受中枢损害的影响。作者提出,以下五点面神经运动功能的表现
The authors examined 500 patients with facial paralysis and found that about 20% of patients had underlying causes of paralysis, the remaining consideration for Bell’s paralysis. Although some patients have the neurological symptoms of Bell’s palsy, not all of them are Bell’s palsy. Some patients, although having found the cause of paralysis, have the typical appearance of Bell’s paralysis. Facial motor function: Unilateral facial paralysis, such as the amount of deposited on the pattern, occurred in the motor neurogenic damage, and sometimes in peripheral facial paralysis can also be seen on the frontal pattern, so the pattern of the presence of forehead facial palsy around the center of inhibition Sex is extremely important. The presence of frontal veins of peripheral facial nerve lesions depends on the spatial distribution of facial nerve fibers in the facial nerve. Facial nerve paralysis with central injury often involves other neurological symptoms such as loss of facial expressions but maintains emotional or involuntary facial motility. The innervation of facial sensory movements is mediated by extrapyramidal fibers and is often unaffected by central The impact of damage. The authors suggest the following five facial nerve motor function performance