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Cerebral Edema

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Critical Findings in Neuroradiology

Abstract

Brain edema is a pathologic increase in the amount of brain water as a result of several etiologies, either cellular damage and ionic pump dysfunction, blood–brain barrier disruption, or increased transependymal flow from the intraventricular compartment to the brain parenchyma. Brain edema can have focal or global distribution.

Diagnostic imaging can help detect the onset or progression of edema in patients with worsening clinical condition. CT is the modality of choice as the initial study to evaluate injuries that may require intervention. MRI is very sensitive to detect edema and has excellent tissue contrast to detect underlying lesions and may be used when the cause of the edema is not readily apparent on CT.

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Correspondence to Ana Lorena Abello MD .

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González, J.M., Alamos, F., Abello, A.L. (2016). Cerebral Edema. In: Hoffmann Nunes, R., Abello, A., Castillo, M. (eds) Critical Findings in Neuroradiology. Springer, Cham. https://doi.org/10.1007/978-3-319-27987-9_1

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  • DOI: https://doi.org/10.1007/978-3-319-27987-9_1

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