目的分析脑室内胶质瘤的MRI特点，提高诊断准确性。
Objective to analyze the MRI findings of glioma in ventricles in order to improve diagnostic accuracy.
脑室内原发性中枢神经系统淋巴瘤非常罕见，仅可见少量文献报道。
Intraventricular primary CNS lymphoma is very rare, with few cases reported in the literature.
目的分析脑室内脑膜瘤的MRI特点，提高诊断准确性。
Objective To analyze the MRI findings and the clinical features of meningioma in ventricles in order to improve diagnostic accuracy.
目的探讨侧脑室内脑膜瘤的诊断、鉴别诊断和手术治疗方法，以提高对其的诊治水平。
Objective to explore the method of detection, differentiation and surgical treatment of lateral ventricular meningioma, to improve its diagnosis and treatment.
虽然中枢神经细胞瘤占颅内肿瘤不超过1%，但是在20 - 40岁脑室内肿瘤患者中，中枢神经细胞瘤大约占了50%。
Although central neurocytomas account for less than 1% of all intracranial neoplasms, they constitute approximately 50% of intraventricular tumors in patients 20-40 years old.
目的：探讨脑室内脑膜瘤mri的特点，提高其诊断及鉴别诊断水平。
Purpose: To study the MRI characteristics of meningioma in the cerebral ventricles, improve diagnosis and differential diagnosis.
结果脑室内脑膜瘤具有典型的MRI表现：（1）病灶大多为类圆形（8/10），边界规则、清晰。
Results Meningiomas of the ventricles had characteristic MRI appearances: (1) The tumor tended to be roundish in shape (8/10), with clear boundary.
目的：提高侧脑室内脑膜瘤的CT和MRI诊断的正确性。
Purpose: To improve the CT and MRI diagnostic accuracy of meningiomas of the lateral ventricles.
结论侧脑室内脑膜瘤的CT、MRI表现具有一定的特征性，结合临床资料可提高诊断准确性。
Conclusion: Meningiomas of lateral ventricle have characteristic presentation on ct and MR imaging, and when combined with clinical data ct and MRI can elevate the accuracy of diagnosis.
目的探讨侧脑室内室管膜下瘤的诊治策略。
Objective To investigate the strategy for diagnosis and microsurgical treatment of subependymoma in the lateral ventricles.
与脑实质型的淋巴瘤相比，脑室内原发性淋巴瘤通常预后更差。
Primary intraventricular lymphomas seem to have a worse prognosis compared to the more common parenchymal type.
组织学上常常和少突胶质细胞瘤混淆，脑室内的中枢神经细胞瘤比脑实质内预后更好。
Histologically often confused with oligodendroglioma and has a better prognosis than the variety that involves the brain parenchyma.
组织学上常常和少突胶质细胞瘤混淆，脑室内的中枢神经细胞瘤比脑实质内预后更好。
Histologically often confused with oligodendroglioma and has a better prognosis than the variety that involves the brain parenchyma.
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