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目的:分析ChiariI型畸形(CMI)患者脊髓空洞症的可能相关因素。资料与方法:收集我院1991～2001年142例CMI患者,其中无空洞症75例,合并脊髓空洞症67例。对CMI患者脊髓空洞与小脑扁桃体下疝的程度、枕骨大孔前后径(D),小脑扁桃体疝出枕骨大孔时的前后径(d)及d蛐D及空洞内流空信号(CFVP)的关系进行分析。结果:脊髓空洞的发生与D、d及d蛐D无相关性,空洞的长度与d有相关性,空洞的最大前后径及左右径与CFVP有相关性。结论:①CMI脊髓空洞的发生与小脑扁桃体疝出的程度,D、d及d蛐D无关。②空洞的长度与d值有关。③CFVP的发生与空洞的前后径及左右径有关。
Objective: To analyze the possible related factors of syringomyelia in Chiari-type deformity (CMI) patients. Materials and Methods: A total of 142 CMI patients were recruited in our hospital from 1991 to 2001. Among them, 75 cases were empty and 67 cases were syringomyelia. The degree of syringomyelia and cerebellar tonsil herniation in CMI patients, anteroposterior diameter of the foramen magnum (D), anteroposterior diameter (d) and d 蛐 D of the cerebellar tonsillar herniation of the foramen magnum, and empty void signal (CFVP) Relationship analysis. Results: There was no correlation between the occurrence of syringomyelia and D, d and d 蛐 D. The length of the cavity was correlated with d. The maximum anteroposterior diameter and left and right diameter of the cavity correlated with CFVP. Conclusion: ① The occurrence of CMI syringomyelia is not related to the degree of cerebellar tonsillar hernia, D, d and d 蛐 D. ② empty length and d value. ③ The occurrence of CFVP and empty before and after the diameter and diameter of about.