CT Findings Representing Clinically Important ICI

  1. Substantial epidural or subdural hematoma (>1.0 cm in width or causing mass effect)

  2. Substantial cerebral contusion (>1.0 cm in diameter or >1 site)

  3. Extensive subarachnoid hemorrhage

  4. Mass effect or sulcal effacement

  5. Signs of herniation

  6. Basal cistern compression or midline shift

  7. Hemorrhage in the posterior fossa

  8. Intraventricular hemorrhage

  9. Bilateral hemorrhage of any type

  10. Depressed or diastatic skull fracture

  11. Pneumocephalus

  12. Diffuse cerebral edema

  13. Diffuse axonal injury