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目的 探索总结 Chiari畸形外科治疗的方法及疗效。方法 本组病例均经 MRI及 CT三维成像检查确诊 ,根据不同病例类型 ,采取后颅窝容积扩大 ,切除下疝扁桃体及突出畸形齿状突 ,解除中枢前后方受压 ,消除引起 ACM症状的原因。结果 本组 14 5例中 ,术后症状体征改善 112例。随访 87例 ,0 .5～ 4年后可恢复一般工作者 78例 ( 89.6% ) ,脊髓空洞与脑积水均消失。结论 行后颅窝彻底减压 ,切除下疝扁桃体及畸形齿状突 ,植骨融合是治疗 Chiari畸形并脊髓空洞和齿状突畸形确切有效的手术方法。
Objective To explore and summarize the methods and efficacy of Chiari deformity surgical treatment. Methods The patients were diagnosed by MRI and CT three-dimensional imaging examination, according to the different types of cases, to take the posterior fossa volume expansion, removal of the hernia tonsils and prominent deformity odontoid, lifting the central anterior and posterior compression, to eliminate the cause of ACM symptoms . Results In this group of 14 5 cases, postoperative symptoms and signs improved in 112 cases. Follow-up 87 cases, 0.5 to 4 years after the general workers can be restored in 78 cases (89.6%), syringomyelia and hydrocephalus were disappeared. Conclusions The complete decompression of the posterior fossa and the removal of the herniated tonsils and dendrites and the fusion of the grafts are the effective and effective surgical methods for the treatment of Chiari malformation and syringomyelia and odontoid deformity.