目的：对比分析颅内血管外皮细胞瘤与血管瘤型脑膜瘤的MRI表现，并与病理对照。
Objective: to analyse MRI features of intracranial hemangiopericytomas and angiomatous type meningioma, and correlate with their pathology.
目的：提高颅内非典型海绵状血管瘤的CT和MRI正确诊断。
Objective: To improve the ct and MRI diagnostic accuracy of intracranial atypical cavernous angiomas (ACA).
依据时间-密度曲线，确诊血管性病变如动脉瘤、血管瘤或血管畸形，并将它们与颅内肿瘤鉴别。
Vascular disorders such as aneurysm, angioma or arteriovenous malformation can be detected and differentiated from intracranial tumors or granuloma based on typical time-density curves;
方法：回顾分析12例颅内非典型海绵状血管瘤的CT和MRI ，并与手术病理进行对照。
Methods:We retrospectively analyzed CT and MRI appearances, operative and pathological findings of 12 cases with ACA.
方法：回顾分析12例颅内非典型海绵状血管瘤的CT和MRI ，并与手术病理进行对照。
Methods:We retrospectively analyzed CT and MRI appearances, operative and pathological findings of 12 cases with ACA.
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