Title: Imaging Analysis of Malignant Meningiomas by CT and MRI
Abstract: Objective To improve the qualitative diagnosis rate and provide reliable basis for clinical treatment by studying MRI and CT features of malignant meningioma.Methods Retrospective analysis was done with CT and MRI imaging of malignant meningiomas of 35 cases which were verified by operation and pathological examination.Results(1) 29 cases(82.1%) of malignant menhigiomas showed a mixed signal intensity on T2WI.(2) 27 cases(77.1%) showed an ashighor mixed signal intensity on T1WI.(3) 21 cases(60%) showed a nodular or lobular contour.(4) 19 cases(54.2%) showed a short irregular dural tail shape.(5) 8 cases(22.8%) showed an adjacent bony destruction.(6) 14 cases(40%) showed a calcification in the tumors.(7) 2 cases(5.7%) appeared to be multiple.Conclusion Meningiomas show characteristic presentation on CT and MRI imaging,and the accuracy of diagnosis can be elevated in combination with other clinical data.We should pay more attention to the differentiation between benign and malignant meningiomas.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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