FIG 2. Patient 3.

A, Axial CT scan 3 hours after injury shows diastatic fracture with everted fracture edge and marked scalp swelling. Underlying subdural and subarachnoid hemorrhage and small cortical contusion are present.

B, Coronal T2-weighted (3500/108/1) MR image 36 hours after injury reveals extent of cerebral herniation and dural defect. Note high signal intensity of both intracranial and extracranial brain tissue.