Isolated FVH may be an important imaging correlate in acute ischemia, and may suggest proximal occlusion with the presence of slow flow through retrograde leptomeningeal collaterals.

• 在急性局部缺血时，孤立的FVH可能是一种重要的影像学特征，并且可能提示近侧带闭塞，并行的柔脑脊膜血管回流缓慢。