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《Radiologic Practice》 2002-01
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CT diagnosis of meningioma

DONG Jingdong,LI Yunhua,ZHANG Xiuli,et al.Department of Radiology,the second Hospital of Dalian Medical University,Liaoning 116027  
Objective:To improve the CT diagnostic accuracy of meningioma.Methods:CT findings of 42 cases of meningioma proved by operation and pathology were analyzed retrospectively.The tumors were located at falx regin (n=10),cerebral convexity (n=12),parasagittal sinus (n=8),sphenoid ridge (n=7),olfactory sulcus (n=4),and cerebellopintine angle (n=1).Results: Meningioma was frequently homogeneously enhanced,round or oval in shape,and had well defined margin.Atypical CT findings of meningioma appeared as lower density within a heterogeneous lesion,without enhancement or with ringlike or nodular enhancement.Conclusion: Meningioma has characteristic CT features,while its clinical manifestation is correlated with CT findings and the degree of peritumoral edema .
【CateGory Index】: R739.45
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