椎管内硬膜外血管脂肪瘤的MRI表现及鉴别诊断

发布时间：2018-02-02 05:43

  本文关键词： 脊柱肿瘤 血管脂肪瘤 磁共振成像　出处：《中国医学影像技术》2017年08期 　论文类型：期刊论文

【摘要】：目的探讨椎管内硬膜外血管脂肪瘤的MRI表现。方法回顾性分析经病理确诊的18例椎管内硬膜外血管脂肪瘤患者的临床和影像资料,分析其病变部位、肿块大小、形态、信号、骨质破坏情况、增强特点及分型。结果 18例肿瘤位于颈椎1例、胸椎15例、腰椎2例。10例肿瘤经椎间孔或破坏相邻骨质达椎管外形成椎旁肿块。MRI显示T1WI呈等信号11例、混杂信号5例、稍高信号2例;T2WI呈高信号13例、混杂信号5例。5例肿瘤内部可见点片状脂肪信号,T1WI、T2WI呈高信号。增强扫描18例均明显强化。Ⅰ型(病变局限于椎管内)8例(8/18,44.44%),Ⅱ型(病变呈哑铃状突至椎管外)10例(10/18,55.56%)。结论椎管内硬膜外血管脂肪瘤发病部位及MRI表现具有一定的特征,对术前正确诊断有重要提示意义。
[Abstract]:Objective to investigate the MRI findings of epidural angiolipoma in the spinal canal. Methods the clinical and imaging data of 18 patients with epidural angiolipoma confirmed by pathology were analyzed retrospectively. The tumor size, shape, signal intensity, bone destruction, enhancement characteristics and classification. Results 18 cases of tumor located in the cervical vertebra in 1 case, 15 cases in the thoracic vertebra. Lumbar vertebrae 2 cases. 10 cases of tumors formed paravertebral mass through intervertebral foramen or destruction of adjacent bony. MRI showed iso-signal on T1WI in 11 cases mixed signal in 5 cases and slightly hyperintense in 2 cases. 13 cases showed hyperintense on T2WI, 5 cases showed mixed signal in 5 cases, and 5 cases showed flaky fat signal on T1WI. T2WI showed high signal intensity. Enhancement scan was obviously enhanced in 18 cases. Type 鈪，

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