脊髓蛛网膜炎.ppt

脊髓蛛网膜炎 spinal arachoiditis;本 次 重 点;解剖示意图;运动障碍;运动障碍; 脊髓的定位及定性诊断; 脊髓横贯性损害：  损害平面以下各种运动、感觉和括约肌功能障碍;summarize; 慢性起病 缓慢进展 受累部位不同，临床表现呈多样性;;病因发病机制;病因发病机制;病因发病机制;局限型——累及1~2个节段。 弥漫型——多个节段散在分布 。 囊肿型——粘连累及增厚的蛛网膜 。 ;病 理;临床表现;要点提示;辅助检查;辅助检查;辅助检查;The abnormal areas were non-enhancing, low signal on T1 weighted images and high signal on T2 weighted images， in keeping with a thoracic syrinx and an arachnoid cyst,。Axial MRI scans at the lumbar levels revealed clumping of the nerve roots, suggestive of arachnoidal adhesions, although Myodil droplets were not seen ;;; ; 鉴别诊断;(2) 颈椎间盘突出; 治 疗; 治 疗;Powerpoint Templates