急性颅脑损伤旳CT和MRI

（Traumatic Brain Injury,TBI)
概念：由外伤导致旳颅内损害。超过110万人/年美国人因TBI急诊科就诊，23.55万人/年需住院，43%有终身残疾，超过5万人/年死亡。临床TBI分类：轻度--15≥GCS>12.            中度-- 12≥GCS>8.            重度-- 8≥GCS.      (GCS-Glasgow Coma Scale,GCS) GCS是一种根据患者运动、言语及眼功能评分总和。

CT head is required for individuals with minor head injury and one of the follow criteria:High risk neurosurgical interventionGCS of less than 15 at 2 hrs after insultSuspected depressed or open skull fractureSigns of basiliar skull fracture(CSF leak,hemot ...