Table 1.
TBI | Cause of TBI | Any LOC | PTA > 24 hours | Head CT report at Injury* | Time to imaging (days) | Symptoms at imaging | Anatomical brain MRI report** |
---|---|---|---|---|---|---|---|
1 | Non-sport | Y | Y | *2 punctate hemorrhages (L F WM) | 29 | Y | **Multiple small B/L F contusions |
2 | Non-sport | Y | N | *Cortical contusions (B/L F and L T); Fracture (L T to R F), underlying EDH | 73 | N | **L T contusion |
3 | Sport | Y | N | Normal | 79 | N | **Few areas of hypointensity (R F) |
4 | Non-sport | Y | N | Normal | 67 | N | Normal |
5 | Sport | N | Y | N/A | 60 | N/A | Normal |
6 | Sport | Y | N | Facial fractures | 87 | N | Normal |
7 | Sport | Y | N | Fracture (O) | 41 | Y | **Single punctate hyperintensity (R F) |
8 | Non-sport | Y | N | *Fracture (L T), underlying SDH | 65 | Y | Normal |
9 | Non-sport | N/A | N | N/A | 63 | N | Normal |
10 | Sport | Y | N | *Fracture (L parietal), underlying EDH | 102 | N | **Scattered subcortical punctate foci hyperintensity (B/L F, L P) |
11 | Non-sport | Y | N | Normal | 65 | Y | Normal |
12 | Non-sport | Y | N | Normal | 100 | Y | **Punctate focus (L F deep WM) |
13 | Sport | N | N | Normal | 66 | N | Normal |
14 | Sport | N | N | Normal | 59 | N | Normal |
considered positive Head CT for this study
considered positive MRI for this study
Abbreviations: TBI= traumatic brain injury; M = male; F= female; MVA = motor vehicle accident; N/A = not available; LOC = loss of consciousness; PTA = post traumatic amnesia; CT = computed tomography; L = left; F = frontal lobe; WM = white matter; B/L = bilateral; T = Temporal lobe; R= right; EDH = epidural hematoma; O= Occipital lobe; SDH = subdural hematoma; Y = Yes, N = No. MRI = magnetic resonance imaging; P=parietal.