Methods: We have reviewed 216 patients with ICH admitted within 24 hours of onset, recorded their clinic informatiom measured the volume of hematoma and brain edema on X-ray computed tomography scans with the method of 1/2ABC respectively.

• 方法：研究216例24小时内发病的脑出血患者的临床资料和头颅CT图象，用1/2ABC法测量血肿和水肿大小。