Table 2.
CT and Conventional MRI Findings in 76 mTBI Patients
| CT | |||||
|---|---|---|---|---|---|
| Normal | Nondepressed skull fracture only | Acute extraaxial hemorrhage (EDH, SDH, SAH) with no parenchymal injury | Contusion±extraaxial hemorrhage | Hemorrhagic axonal injury only | |
| MRI | |||||
| No parenchymal injury | 41 | 3 | 2 | 0 | 0 |
| Hemorrhagic axonal injury only | 17 | 0 | 1 | 0 | 1 |
| Contusion only | 0 | 0 | 0 | 3 | 0 |
| Both hemorrhagic axonal injury and contusion | 1 | 1 | 5 | 1 | 0 |
Gray shaded boxes comprise uncomplicated mTBI (no CT evidence of acute intracranial hemorrhage or depressed skull fracture).38
CT, computed tomography; MRI, magnetic resonance imaging; mTBI, mild traumatic brain injury; EDH, epidural hematoma; SDH, subdural hematoma; SAH, subarachnoid hemorrhage.