婴儿慢性多神经炎从未被报告过。作者报告一例女婴,在其年令为七周时有急性截瘫发作,进行性肌无力。以后又伴有多次的症状加剧和缓解过程。其父母有血缘关系(表兄妹),怀孕顺利、足月平产。家庭成员中有多人患显性遗传性腓肌萎缩症。但其父母外表健康。患孩出生时肌力正常,生后六周她 Chronic polyneuritis in infants has never been reported. The author reported a baby girl who developed acute paraplegia and progressive muscle weakness at the age of seven weeks. Later, accompanied by multiple symptoms and mitigation process. The parents have kinship (cousins), pregnancy is smooth, full-term pregnancy. Many people in the family have dominant hereditary muscular dystrophy. But their parents look healthy. The child was born muscle strength, six weeks after birth she