教学片12神经系统.ppt

DepartmentofRadiologyWMC,中枢神经系统,温州医学院医学影像系,DepartmentofRadiologyWMC,正常头颅平片,DepartmentofRadiologyWMC,脑血管造影,DepartmentofRadiologyWMC,一侧颈内动脉DSA,DepartmentofRadiologyWMC,正常头颅CT-1-2,DepartmentofRadiologyWMC,正常头颅CT-3,DepartmentofRadiologyWMC,正常头颅MRI,DepartmentofRadiologyWMC,颅内高压（儿童显示颅缝分离）,DepartmentofRadiologyWMC,颅内高压（显示脑回压迹增多）,DepartmentofRadiologyWMC,星形细胞瘤(astrocytoma),病理：1、约占胶质瘤的45%，成人大脑半球、小儿小脑2、按肿瘤内异形细胞所占比例分I-IV级3、另外尚可根据肿瘤生长方式、组织学特征分,DepartmentofRadiologyWMC,星形细胞瘤级（CT平扫）,DepartmentofRadiologyWMC,星形细胞瘤级（MRI平扫、增强）,DepartmentofRadiologyWMC,星形细胞瘤级（CT平扫、增强）,DepartmentofRadiologyWMC,病理：1、颅内脑实质外肿瘤，占颅内肿瘤的15-20%2、完整包膜，境界清楚，可出血、坏死、囊变、钙化3、血供丰富4、邻近骨的增生硬化和破坏性改变5、发病高峰40-60岁，女:男=2:1,脑膜瘤(meningioma),DepartmentofRadiologyWMC,脑膜瘤（CT平扫、增强）,DepartmentofRadiologyWMC,脑膜瘤（MRI平扫、增强）,DepartmentofRadiologyWMC,DepartmentofRadiologyWMC,垂体腺瘤（MRI平扫）,DepartmentofRadiologyWMC,垂体腺瘤（MRI增强）,DepartmentofRadiologyWMC,听神经瘤（CT平扫、增强）,DepartmentofRadiologyWMC,听神经瘤（MRI平扫、增强）,DepartmentofRadiologyWMC,DepartmentofRadiologyWMC,颅咽管瘤（CT平扫）,DepartmentofRadiologyWMC,脑转移瘤（CT增强）,DepartmentofRadiologyWMC,DepartmentofRadiologyWMC,脑挫裂伤（CT平扫）,DepartmentofRadiologyWMC,硬膜外血肿（CT平扫）,DepartmentofRadiologyWMC,DepartmentofRadiologyWMC,硬膜下血肿（CT平扫）,DepartmentofRadiologyWMC,DepartmentofRadiologyWMC,DepartmentofRadiologyWMC,脑血管性病变,DepartmentofRadiologyWMC,脑出血（CT平扫）,DepartmentofRadiologyWMC,缺血性脑梗死（CT平扫）,DepartmentofRadiologyWMC,T2WI,DWI,T1WI,左枕叶内侧新鲜梗塞右颞叶陈旧脑软化灶,DepartmentofRadiologyWMC,出血性脑梗死（CT平扫）,DepartmentofRadiologyWMC,腔隙性脑梗死（CT平扫）,DepartmentofRadiologyWMC,动静脉畸形（CT平扫、增强）,DepartmentofRadiologyWMC,动静脉畸形（MRI平扫）,DepartmentofRadiologyWMC,动静脉畸形（DSA）,DepartmentofRadiologyWMC,正常脊柱（腰椎CT平扫）,DepartmentofRadiologyWMC,正常脊柱（颈椎MRI平扫）,DepartmentofRadiologyWMC,脊髓空洞（MRI平扫）,DepartmentofRadiologyWMC,脊髓损伤（MRI平扫）,DepartmentofRadiologyWMC,脊髓星形细胞瘤（MRI平扫、增强）,Department