Abstract

目的 探讨寰枢关节脱位伴上段颈髓受压和减压的形态学及MR矢径变化特点,建立上段颈髓减压效果的MR评估标准.方法 通过观察和测量20例正常及25例寰枢关节脱位的上段颈髓受压及减压的MR矢径变化规律,设计出上段颈髓受压指数公式和上段颈髓减压改善率公式.结果 上段颈髓受压指数=(拟正常颈髓矢径-最窄段颈髓矢径)/拟正常颈髓矢径;颈髓减压改善率=(治疗后最窄段矢径-治疗前最窄段矢径)/(拟正常颈髓矢径-治疗前最窄段矢径)×100%.结论 上述MR评估标准能客观评估上段颈髓受压程度和减压改善效果。

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.