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小脑发育不良性神经节细胞瘤CT、MRI表现(附二例报告及文献复习)
引用本文:张体江,邱丽华,刘梦奇,杜明颖,李秀丽,月强,龚启勇.小脑发育不良性神经节细胞瘤CT、MRI表现(附二例报告及文献复习)[J].临床放射学杂志,2011,30(1).
作者姓名:张体江  邱丽华  刘梦奇  杜明颖  李秀丽  月强  龚启勇
作者单位:1. 遵义医学院附属医院放射科
2. 四川大学华西医院放射科,610041
基金项目:国家自然科学基金资助项目(项目批准号:30960099)
摘    要:目的分析小脑发育不良性神经节细胞瘤的CT及MRI表现,提高对其认识。资料与方法回顾性分析2例经手术及病理证实小脑发育不良性神经节细胞瘤的CT、MRI表现,并结合文献复习总结其影像学特点。结果 CT表现为小脑半球低密度,密度不均匀,其内可见条纹状等密度影及钙化影。MRI表现为长T1、长T2信号,其内见条纹状等T1、等T2信号,增强扫描无强化。病变常较大,占位效应明显,周围水肿较轻。结论小脑发育不良性神经节细胞瘤具有一定的影像学特征,术前可作出定性诊断,为临床治疗及预后提供了重要依据。

关 键 词:小脑  发育不良性神经节细胞瘤  磁共振成像  体层成像  X线计算机  

CT and MRI Finding of Dysplastic Cerebellar Gangliocytoma(Report of Two Cases and Literature Review)
ZHANG Tijiang,QIU Lihua,LIU Mengqi,et al..CT and MRI Finding of Dysplastic Cerebellar Gangliocytoma(Report of Two Cases and Literature Review)[J].Journal of Clinical Radiology,2011,30(1).
Authors:ZHANG Tijiang  QIU Lihua  LIU Mengqi  
Affiliation:ZHANG Tijiang,QIU Lihua,LIU Mengqi,et al.Department of Radiology,West China Hospital of Sichuan University,Chengdu,610041,P.R.China
Abstract:Objective To analyze CT and MRI findings of dysplastic cerebellar gangliocytoma.Materials and Methods CT and MRI findings of two patients with LDD proved by surgery and pathology were analyzed retrospectively.MRI scan were performed in two cases,CT scan was acquired in one case.Literatures of LDD were reviewed and imaging characters were summarized.Results LDD showed hetergeneous hypodensity with striated isodense and calcification on CT plain scan.On T1-weighted images,LDD was predominantly hypointense and...
Keywords:Cerebellum Dysplastic gangliocytoma MRI Tomography  X-ray computed  
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