血管畸形的影像学

血管畸形的影像学Tag内容描述：<p>1、脑血管畸形的影像诊断 福建医科大学附属第一医院影像科 林雪花 脑血管畸形 w为先天性脑血管发育异常。 w（一）、动静脉畸形 w（二）、海绵状血管瘤 w（三）、发育性静脉畸形 w（四）、毛细血管扩张症 动静脉畸形 w可发生于任何年龄，约72%在40岁前起病 w约85%发生于幕上，15%发生于后颅凹 w绝大多数为单发 w部位：颅内任何部位，常见于大脑中动脉分 布区的脑皮质 w病理：畸形血管粗细不等呈团块状：有的血管极度扩张、 扭曲，管壁极薄，有的血管较细小，有时可见动脉与静脉直 接相通。有些血管壁仅一层内皮细胞，容易破裂出血。 wAVM是一。</p><p>2、2011-08-18 Cai Wenchao MRI：High T2、T2Flair SI ,Low T1 SI on both side of parietal and frontal lobe(cerebral infarction), while high DWI SI on the right parietal and frontal lobe(subacute cerbral infarction). MRA:no abnormal findings. CE-MRI 和MRV:Multiple thickening、bending small vein in both parietal and frontal lobe and ventral of the pons.(Venous malformation). And Scalp soft tissue SWI: TCD: DSA:multiple flow voids and contrast-enhanced tubular structures that involves on both side of。</p><p>3、Case Report,50y,men Symptoms: 1-year history of progressive left-sided weakness , , aggravated ,accompaning back pain and enuresis for 4month. Examinations: MRI/ceMR/MRA/TCD/DSA,MRI：High T2、T2Flair SI ,Low T1 SI on both side of parietal and frontal lobe(cerebral infarction), while high DWI SI on the right parietal and frontal lobe(subacute cerbral infarction). MRA:no abnormal findings. CE-MRI 和MRV:Multiple thickening、bending small vein in both parietal and frontal lobe and ventral of the pon。</p>