Abstract
X-ray computed tomography, by virtue of its widespread availability and ability to identify virtually all acute surgical lesions, remains the primary imaging modality for the evaluation of acute traumatic brain injury. It has been less successful in predicting the long-term neuropsychiatric sequelae in brain injury survivors. Compared to x-ray computed tomography, newer imaging modalities such as magnetic resonance imaging, single photon emission computed tomography, and positron emission tomography give a more detailed anatomical and physiological evaluation of the brain. These newer techniques are now the imaging methods of choice for evaluating patients with subacute and chronic brain injury.
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