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8 - Stroke MRI in intracranial hemorrhage
- By Peter D Schellinger, Olav Jansen, Werner Hacke
Edited by Stephen Davis, Marc Fisher, National Institute of Mental Health, Bethesda, Maryland, Steven Warach, National Institutes of Health, Baltimore
Book:

Magnetic Resonance Imaging in Stroke

Published online:

26 August 2009

Print publication:

20 March 2003, pp 103-112
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Summary

Non-traumatic intracranial hemorrhage (ICH) accounts for 10-15% of all strokes, but up to 25% of more severe strokes. This chapter covers the magnetic resonance imaging (MRI) signatures of ICH in all stages, and focuses on the differential diagnosis in hyperacute stroke patients. It deals with subarachnoid hemorrhage (SAH), and discusses the future prospects such as the detection of perihemorrhagic pathological processes, which may contribute to the morbidity of ICH. The appearance of intracranial hemorrhage on MRI depends primarily on the age of the hematoma and the type of MR contrast. Computed tomography (CT) is also the imaging standard of care for the diagnosis of acute subarachnoid hemorrhage. Stroke MRI may be the diagnostic tool of choice not only for patients with subacute and chronic ICH and SAH but also in the initial assessment of patients with hyperacute ischemic or hemorrhagic stroke as well as hyperacute SAH.