MRI Diagnosis of Intraventricular Meningioma
10.3969/j.issn.1005-5185.2013.10.006
- VernacularTitle:脑室内脑膜瘤的MRI诊断
- Author:
Peng HU
;
Dong CHEN
;
Haoyuan DING
- Publication Type:Journal Article
- Keywords:
Meningioma;
Cerebral ventricle neoplasms;
Magnetic resonance imaging
- From:
Chinese Journal of Medical Imaging
2013;(10):741-744
- CountryChina
- Language:Chinese
-
Abstract:
Purpose To investigate the MRI characteristics and differential diagnosis of intraventricular meningioma. Materials and Methods The clinical manifestation and MRI characteristics was retrospectively analyzed in the 11 patients with confirmed intraventricular meningioma by pathology. Results The intraventricular fibrocellular meningioma (7 cases) showed iso- and slightly short T1 signal and short and heterogeneously iso-T2 signal. The syncytial (1 case) and mixed (1 case) miningioma in the fourth ventricle, the syncytial meningioma in the third ventricle, and endothelial meningioma in the septum pellucidum (1 case) all showed slightly long T1 and slightly long T2 signal. Pathology results showed that 7 cases of fibrocellular meningioma in lateral ventricle, 1 case of syncytial meningioma and mixed type in the fourth ventricle, 1 case of syncytial meningioma in the third ventricle, 1 case of endothelial meningioma in septum pellucidum Conclusion The fibrocellular type was commonly encountered for the lateral ventricle meningioma, and hypointensity on T2WI could be regarded as its typical MRI characteristics, and it is diffcult for the differential diagnosis for the other intraventrical meningiomas.
