Magnetic resonance imaging has been applied to the evaluation of the spine and foramen magnum and has clearly shown not only that it can demonstrate the normal spinal anatomy and a variety of pathologic conditions, but also that it can be performed safely in a noninvasive fashion in an outpatient setting. Although MRI is presently a valuable adjunct to more conventional diagnostic studies of the spine, it is the imaging examination of choice in several suspected disease entities.
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Berns et al. (1989) studied this question.