近年来,脊髓灰质炎在世界各地流行增多,国内也有不少报导。随着本病发病率的上升,作为重要临床类型之一的桥脑型单纯面神经麻痹受到很大关注。其原因,一方面由于此型病例占全部病例的比重颇高;另一方面,由于此型病例与其他原因引起的面神经麻痹在鉴别诊断上存在一定困难。引起面神经麻痹的病因很多,可由核上性、核性或核下面神经干三种不同部位的损 In recent years, polio has been endemic in many parts of the world and there are many reports in the country. With the increase of the incidence of this disease, as one of the important clinical types of pons craniocerebral simple attention has been paid. The reason, on the one hand because of this type of cases accounted for a high proportion of all cases; the other hand, because of this type of cases and other causes of facial nerve paralysis in the differential diagnosis there are some difficulties. The cause of facial paralysis caused by many, can be nuclear, nuclear or nuclear below the neural stem three different parts of the damage