第四脑室肿瘤的MRI诊断及鉴别诊断  

MRI diagnosis of tumors of fouth ventricle

作　　者：王晨[1] 徐友妹[2] 江新华[1] 张华[1] 石小玲[1] 

机构地区：[1]南昌大学第三附属医院放射科 [2]江西中医学院附属医院,南昌330008

出　　处：《江西医药》2007年第11期983-985,共3页Jiangxi Medical Journal

摘　　要：目的探讨四脑室常见肿瘤的MRI表现和鉴别诊断。方法回顾性分析经手术及病理检查证实的20例四脑室肿瘤的MRI表现、好发年龄、发病部位。结果检出髓母细胞瘤8例,室管膜瘤5例,胶质瘤3例,脉络膜乳头状瘤2例,表皮样囊肿1例,脑膜瘤1例。结论MRI检查在四脑室内肿瘤的诊断和鉴别诊断方面价值很大,可以作为首选手段,肿瘤的影像学表现、发病年龄、肿瘤的来源对肿瘤的定性帮助很大。Objective To Evaluate MRI features and differential diagnosis of the fouth ventricle tumor.Methods 21 cases of fouth ventricle tumors confirmed by pathology were retrospectively by mri.Results Amout to medullobhoma 8cases ,ependymal 5 cases ,astrocytic 3 cases ,choriod plexus 2 cases , epidermoid lcases , meningoma 1 case, the feartures or age or the source of the fouth ventricle tumors could help to determine the nature.Conclusion MRI are the first method for diagnosis of fourth ventricular tumors.

关 键 词：第四脑室 诊断 磁共振 脑肿瘤 

分 类 号：R739.41[医药卫生—肿瘤]