Purpose: To study the relation between CT detectable rate and amniotic opacity,Apgar evaluation when cephalic presentation in neonatal hypoxic ischemic encephalopathy (NHIE ). Meterials and Methods: Collected 43 new-borns of cephalic presentation with amniotic opacity (include 36 asphyctic cases). All applying CT scanning and Apgar evaluation. Results: 1、 The CTmanifestations of NHIE are encephaledema and intracranial hemorrhage. We grade three degrees according to rang of encephaledema. 2、 The positive rat...