颅内出血在MRI上表现较复杂,由出血部位及血液演变过程所决定。MR对急性颅内出血的敏感性、有效性已作了许多研究。普遍认为MR对急性颅内出血早期不敏感。MR对超急性颅内出血的研究很少。对此,作者评估了高磁化率加权MRI对发病几小时内的超急性脑实质内出血的敏感性。 Intracranial hemorrhage in the performance of MRI more complicated by the bleeding site and the evolution of blood determined. MR sensitivity of acute intracranial hemorrhage, effectiveness has been a lot of research. It is generally accepted that MR is not sensitive to early acute intracranial hemorrhage. MR study of hyperacute intracranial hemorrhage is rare. In this regard, the authors assessed the susceptibility of hyper-susceptibility-weighted MRI to hyperacute intraparenchymal hemorrhage within a few hours of onset.