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目的:提高对椎管恶性淋巴瘤的MRI诊断及鉴别诊断的认识。材料及方法:分析5例经病理证实的椎管恶性淋巴瘤的MRI表现,其中何杰金氏淋巴瘤(HL)2例,非何杰金氏淋巴瘤(NHL)3例。结果:4例矢状位T_1、T_2加权像均示椎管内脊髓后方硬膜外长梭形等T_1、等T_2或长T_2均匀信号软组织占位。5例横轴位T_2加权像均呈环绕硬膜囊的环形、半月形中等均匀信号占位。结论:MRI是椎管恶性淋巴瘤首选的检查方法,有一定特征性表现,结合临床及其他辅助检查仔细分析,可术前诊断。
Objective: To improve the understanding of MRI diagnosis and differential diagnosis of spinal lymphoma. Materials and Methods: The MRI appearances of 5 cases of malignant lymphoma of the spinal canal confirmed by pathology were analyzed. There were 2 cases of Hodgkin’s lymphoma (HL) and 3 cases of non-Hodgkin’s lymphoma (NHL). RESULTS: The sagittal T_1 and T_2 weighted images all showed that the soft tissue occupied by T_1, T_2, or T2 uniform signals such as extradural spinal spindle shape behind the spinal cord behind the spinal canal. The transverse T2-weighted images of 5 patients showed a ring-shaped, half-moon-shaped uniform signal occupying the dural sac. Conclusion: MRI is the preferred method for the detection of malignant lymphoma of the spinal canal. It has certain characteristic features. Combined with careful analysis of clinical and other auxiliary examinations, it can be diagnosed preoperatively.