Results Two patterns of meningeal enhancement were seen: (1) dura arachnoid enhancement (n=21) and (2) leptomeningo subarachnoid space enhancement (n=37).

• 结果按脑膜强化方式分为:硬脑膜蛛网膜强化21例,软脑膜蛛网膜下腔强化37例。