MRI is the imaging study of choice for patients who have prolonged symptoms (> 7 d) or for patients with a late change in their neurologic signs or symptoms. MRI offers a more detailed examination and possibly detects more subtle findings. Delayed or slowly developing bleeding may be easier to detect on MRI. Although PET and functional MRI may be used, their clinical application in patients with concussions remains uncertain.
For more on the work-up of patients with concussions, please read here.
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