Functional Brain Imaging

Newer, more technologically sophisticated imaging techniques measure the metabolism, cerebral blood flow and/or function of brain tissue. These modalities include xenon-enhanced CT, single photon emission tomography (SPECT), proton emission tomography (PET) and MR spectroscopy. For the most part, these technologies are complicated to use in the acute trauma setting and are available only in research protocols. Xenon CT, however, can be utilized in the critical care arena and is now available in many neurotrauma centers.

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