Category |
Definition |
Diffuse injury I (no visible pathology) |
No visible intracranial pathology seen on CT scan |
Diffuse injury II |
Cisterns are present with midline shift of 0-5 mm and/or lesions densities present; no high or mixed density lesion >25 cm3 may include bone fragments and foreign bodies |
Diffuse injury III (swelling) |
Cisterns compressed or absent with midline shift 0-5 mm; no high or mixed density lesion >25 cm3 |
Diffuse injury IV (shift) |
Midline shift >5 mm; no high or mixed density lesion >25 cm3 |
Evacuated mass lesion V |
Any lesion surgically evacuated |
Non-evacuated mass lesion VI |
High or mixed density lesion >25 cm3; not surgically evacuated |