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目的评价硬脊膜外海绵状血管瘤MRI特征表现。方法回顾性分析3例经手术病理证实的硬脊膜外海绵状血管瘤的MR表现及文献复习。结果3例硬脊膜外海绵状血管瘤中,1例位于腰段椎管,2例位于胸段椎管,3例均发生于脊髓背侧,两端尖细,长轴与脊椎纵轴一致,相应平面的脊髓均受压推移;3例均表现为T2WI高信号,Gd-DTPA增强扫描呈均匀一致的明显强化。结论MRI检查是诊断此病的最佳无创检查方法。
Objective To evaluate MRI features of extradural cavernous hemangiomas. Methods Retrospective analysis of 3 cases of epidural cavernous hemangioma confirmed by surgery and pathology MR findings and literature review. Results In 3 cases of extradural cavernous hemangiomas, one was located in the lumbar canal, two in the thoracic canal, and three in the dorsal spinal cord. The two ends were pointed and the long axis coincided with the longitudinal axis , Respectively. The corresponding planar spinal cord was compressed under pressure. Three cases showed high signal intensity of T2WI. The enhancement of Gd-DTPA enhanced scan was uniform and obvious. Conclusion MRI is the best noninvasive method to diagnose the disease.