Marshall Class | Â | Description |
---|---|---|
Class I | Diffuse injury I (no visible pathology) | No visible pathology seen on CT scan |
Class II | Diffuse injury II | Cisterns are present with midline shift 0-5 mm and/or: lesion densities present no high- or mixed-density lesion > 25 cc may include bone fragments and foreign bodies |
Class III | Diffuse injury III (swelling) | Cisterns compressed or absent with midline shift 0-5 mm, no high- or mixed-density lesion > 25 cc |
Class IV | Diffuse injury IV (shift) | Midline shift > 5 mm, no high- or mixed-density lesion > 25 cc |
Class V | Evacuated mass lesion | Any lesion surgical evacuated |
Class VI | Non-evacuated mass lesion | High- or mixed-density lesion > 25 cc, not surgical evacuated |