继发于小脑病变的肥大性下橄榄核变性的MRI表现  被引量:2

MR Imaging of Hypertrophic Olivary Degeneration Secondary to Cerebellar Lesions

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作  者:王新疆[1] 刘建军[1] 臧建华[1] 傅明花[1] 杨建明[1] 龙楠 吴轶娜[1] 高媛[1] 

机构地区:[1]兰州军区乌鲁木齐总医院放射诊断科,新疆乌鲁木齐830000 [2]中国民航乌鲁木齐管理局医院放射科

出  处:《实用放射学杂志》2002年第11期940-942,共3页Journal of Practical Radiology

摘  要:目的 总结继发于小脑病变的肥大性下橄榄核变性 (hypertrophicolivarydegeneration ,HOD)的MR表现 ,提高对该病变的认识。方法 回顾总结 6例继发于小脑病变的肥大性下橄榄核变性的MR表现。结果  6例病人中 ,原发病变为小脑半球出血 4例 ,小脑肿瘤手术后 1例 ,转移瘤 1例。年龄 40~ 71岁 ,平均 5 3岁 ,男 5例 ,女 1例。原发性病变位于右侧小脑半球 4例 ,累及双侧小脑半球 2例。自原发病变出现到进行MR检查时间为 4周~ 45个月。HOD在MR图像表现为T2 WI高信号 ,T1WI呈等或稍低信号。结论 MR可以清晰显示HOD ,提高对该病变的认识可以避免误诊。Objective To analyze the MR characteristics of hypertrophic olivary degeneration(HOD) secondary to cerebellar lesions in order to improve the knowledge for this disease.Methods Six cases of HOD secondary to cerebellar lesions were analyzed.Results Four cases were due to cerebellar hemorrhage,and two cases were due to cerebellar tumor dissection and metastasis respectively.They ranged in age from 40 to 71 years,with mean 53 years,five were males and one female.The primary lesion located in right side in 4 cases,while both sides involved in two cases.The intervals from ictus to the MR studies were 4 weeks to 45 months.HOD presented with hyperintense on T 2WI and iso-or hypointense on T 1WI.Conclusion HOD may be showed clearly by MRI.To improve the knowledge for this disease can reduce misdiagnosis.

关 键 词:小脑病变 肥大性下橄榄核变性 MRI 继发病变 磁共振成像 

分 类 号:R742.82[医药卫生—神经病学与精神病学] R445[医药卫生—临床医学]

 

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