江勋源,魏光师,刘波.磁共振成像对椎管内肿瘤与肿瘤样病变的诊断价值[J].中国脊柱脊髓杂志,2005,(8):.
磁共振成像对椎管内肿瘤与肿瘤样病变的诊断价值
Diagnosis of MRI for intraspinal canal tumor and tumor-like lesion
  
DOI:
中文关键词:  脊柱肿瘤 磁共振成像 诊断
英文关键词:Spinal tumor  Magnelic resonance imaging  Diagnosis
基金项目:
江勋源  魏光师  刘波
广州中医药大学第二临床医学院影像科,广东省广州市510120
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中文摘要:
  目的:分析椎管内肿瘤的MRI表现特征,探讨MRI对椎管内肿瘤与肿瘤样病变的诊断价值。方法:33例经手术和病理证实的椎管内肿瘤与肿瘤样病变患者,术前均行MRI平扫与增强扫描,分析其MRI影像特征。结果:髓内肿瘤3例;髓外硬膜下肿瘤20例;其它椎管内病变10例。髓外硬膜下肿瘤中脊膜瘤与神经类肿瘤的发生部位与信号有一定的特异性。脊膜瘤好发于上胸及下颈段,神经类肿瘤则以上颈及下胸段居多。脊膜瘤信号多均匀,而神经类肿瘤多不均匀,易发生囊变是较为特征性的表现,有囊变病灶中又以神经鞘瘤居多。结论:MRI检查可以对椎管内肿瘤进行明确的髓内与髓外定位诊断,在此定位诊断的基础上,结合肿瘤的好发部位,信号是否均匀、增强扫描上所见有助于其术前定性诊断。
英文摘要:
  Objective:To investigate the MRI appearances and its diagnostic value in intraspinal canal tumor and tumor-like lesion.Method:Preoperative MRI examination,including plain scan and contrast scan,were taken in 33 cases of intraspinal canal tumor and tumor-l
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