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Table 1 Classification of brain injury based on CT scan findings

From: Optic nerve sonography in the diagnostic evaluation of adult brain injury

Brain injury scale

CT scan findings

I

Normal CT scan (no visible pathology)

II

Cisterns present; midline shift 0 to 5 mm

III

Cisterns compressed or absent; midline shift 0 to 5 mm

IV

Midline shift > 5 mm

V

Any surgically evacuated mass lesion

VI

Lesion > 25 ml not surgically evacuated

  1. CT, computed tomography.