FIG. 2.

Case example the use and application of the Utah Score for predicting blunt cerebrovascular injury (BCVI). A 10-year-old boy struck by a vehicle presented with a Glasgow Coma Scale score of 3, nonfocal neurological examination, no fracture through the carotid canal, a contralateral petrous temporal bone fracture (A, arrow), and no evidence of cerebral infarct on computed tomography (B). This patient is thus “high risk” with a Utah Score of 4, which yields a 44.4% probability of BCVI (Table 2). Computed tomographic angiography demonstrated a left internal carotid artery injury with pseudoaneurysm formation (C, arrow). This was confirmed with digital subtraction angiography (D, arrow).