脑表面铁沉积

作者：William G Bradley; William J Zwiebel; Anne Roberts; 关键

来源：影像诊断与介入放射学, 2015, 24(02): 174-175.

• 铁沉积
• SAH
• 软脑膜
• AVM

<正>Key facts Synonym:Siderosis.Definition:Hemosiderin staining of leptomenginges following repeated subarachnoid hemorrhage(SAH).Classic imaging appearance:surface of brain appears to be outlined in black on T2WI.Generally causes deafness and ataxia.Imaging finding General features:Best imaging clue is black outline of brain on T2WI.CT findings:(1)Cerebral atrophy;(2)Slightly hyperdense rim over brain surface.

• 单位
  中山大学附属第一医院