腰椎椎体后缘软骨结节CT诊断
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[摘要] 目的:提高对腰椎后缘软骨结节的认识。方法:对34例腰椎椎体后缘软骨结节患者的CT表现进行综合分析。结果:主要CT表现为腰椎椎体后缘类圆形骨质缺损,边缘致密硬化,缺损后方有一骨块突入椎管,硬膜囊及神经根受压,可伴有椎间盘突出。结论:CT对腰椎椎体后缘软骨结节具有肯定的诊断价值。
[关键词] 腰椎;软骨结节;CT
[中图分类号]R681.3 [文献标识码] B[文章编号] 1673-7210(2009)07(a)-190-02
CT diagnosis of lumbar posterior marginal cartilaginous node
HUANG Dongmei
(Radiology Department, Zibo Eighth Hospital, Zibo 255020, China)
[Abstract] Objective: To improve the knowledge of lumbar posterior marginal catilagionous node. Methods: CT findings of lumbar posterior marginal carginal cartilaginous node in 34 cases were analyzed. Results: CT findings were a defect in the posterior superior margin of the affected vertebral body, with sclerotic margin; posterior to the defet, a body fragment was seen protruding into the spinal; compression of the dural sca and nerve root. Conclusion: The CT scanning has definite diagnositic value for the lumbar posterior marginal intraosseous cartilaginous node.
[Key word] Lumbar; Cartilaginous node; Computer Tomography
腰椎椎体后缘软骨结节(LPMN)是指椎间盘组织经破裂的椎体终板突入椎体后缘松质骨内,使腰椎后缘小骨块与椎体分离并突入椎管,致使椎管狭窄,压迫马尾及神经根的一种病变,是边缘性软骨结节的一种特殊类型[1-2] ......
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