Cerebral Contusion
Cerebral contusions are the most common primary intra-axial injury.
Cerebral contusions are the most common primary intra-axial injury.
On CT, cerebral contusion appears as an ill-defined hypodense area mixed with foci of hemorrhage. Adjacent subarachnoid hemorrhage is common. After 24-48 hours, hemorrhagic transformation or coalescence of petechial hemorrhages into a rounded hematoma is common.
Multiple foci of high density corresponding to hemorrhage (arrows) in an area of low density(arrowheads) in the left frontal lobe due to cerebral contusion.
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