Objective To detect ischemic penumbra around hematoma by studying the change of regional cerebral blood flow (rCBF) at acute phase and subacute phase in patients with intracerebral hemorrhage.

• 摘要目的观察脑出血急性期、亚急性期血肿周边血流量的改变，判断血肿周边是否存在缺血半暗带。