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MRI of the head Health Article

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Special considerations

MRI is superior to computed tomography (CT) in most cases where differentiation of soft tissues is necessary. It can view organs without obstruction by bone and foreign bodies. It is capable of showing the tissues from multiple viewpoints and is a noninvasive way to evaluate blood flow.

A CT scan may be preferred for:

Acute trauma of the head and face
Acute (less than 72 hours) neurological dysfunction
Early symptoms of stroke
Subarachnoid or intracranial hemorrhage (within the first 24 - 48 hours)
Skull bone disorders, disorders involving the bones of the ear

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Reviewer Info: Stuart Bentley-Hibbert, M.D., Ph.D., Department of Radiology, Weill Cornell Medical Center, New York, NY. Review provided by VeriMed Healthcare Network.; ADAM Health Illustrated Encyclopedia, 10/25/2006