Arnold-Chiari's syndrome
医药科技

        [异名]颅底扁平症(platybasia,basilar impression),谢-阿-希综合征,小脑髓部畸形。[病因病理]系由枕骨及上段颈椎先天发育畸形,致使小脑扁桃体向下异常延伸至枕骨大孔及椎管内,延脑及第四脑宝也向下伸延。后组颅神经及颈上段神经因而向......（本文共 289 字）     [阅读本文] >>