《医学影像学 》实验课件：教学片12-神经系统

1、Department of Radiology WMC,中枢神经系统,温州医学院医学影像系,Department of Radiology WMC,正常头颅平片,Department of Radiology WMC,脑血管造影,Department of Radiology WMC,一侧颈内动脉DSA,Department of Radiology WMC,正常头颅CT-1,Department of Radiology WMC,正常头颅CT-2,Department of Radiology WMC,正常头颅CT-3,Department of Radiology WMC,正常头颅MRI,

2、Department of Radiology WMC,颅内高压（儿童显示颅缝分离）,Department of Radiology WMC,颅内高压（显示脑回压迹增多）,Department of Radiology WMC,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,Department of Radiology WMC,星形细胞瘤级 （CT平扫）,Department of Radiology WMC,星形细胞瘤级 （MRI平扫、增强）,Departm

3、ent of Radiology WMC,星形细胞瘤级（CT平扫、增强）,Department of Radiology WMC,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),Department of Radiology WMC,脑膜瘤（CT平扫、增强）,Department of Radiology WMC,脑膜瘤（MRI平扫、增强）,Department of Radiology WMC,Departmen

4、t of Radiology WMC,垂体腺瘤 （MRI平扫）,Department of Radiology WMC,垂体腺瘤 （MRI增强）,Department of Radiology WMC,听神经瘤 （CT平扫、增强）,Department of Radiology WMC,听神经瘤 （MRI平扫、增强）,Department of Radiology WMC,Department of Radiology WMC,颅咽管瘤 （CT平扫）,Department of Radiology WMC,脑外伤,Department of Radiology WMC,脑转移瘤 （CT增强）,

5、Department of Radiology WMC,Department of Radiology WMC,脑挫裂伤 （CT平扫）,Department of Radiology WMC,硬膜外血肿 （CT平扫）,Department of Radiology WMC,Department of Radiology WMC,硬膜下血肿 （CT平扫）,Department of Radiology WMC,Department of Radiology WMC,Department of Radiology WMC,脑血管性病变,Department of Radiology WMC,脑出血

6、 （CT平扫）,Department of Radiology WMC,缺血性脑梗死（CT平扫）,Department of Radiology WMC,T2WI,DWI,T1WI,左枕叶内侧新鲜梗塞 右颞叶陈旧脑软化灶,Department of Radiology WMC,出血性脑梗死（CT平扫）,Department of Radiology WMC,腔隙性脑梗死（CT平扫）,Department of Radiology WMC,动静脉畸形（CT平扫、增强）,Department of Radiology WMC,动静脉畸形（MRI平扫）,Department of Radiology WMC,动静脉畸形（DSA）,Department of Radiology WMC,正常脊柱（腰椎CT平扫）,Department of Radiology WMC,正常脊柱（颈椎MRI平扫）,Department of Radiology WMC,脊髓空洞（MRI平扫）,Department of Radiology WMC,脊髓损伤（MRI平扫）,Department of Radiology WMC,脊髓星形细胞瘤（MRI平扫、增强）,Department of Radiology WMC,胸椎