Abstract
The advent of MRI has significantly changed the diagnosis of spinal cord tumors. Standard imaging provides excellent localization and characterization of the tumor in a noninvasive fashion. Exact histologic diagnosis of the two most common tumors, ependymoma and astrocytoma, remains elusive but there are some suggestive imaging characteristics. It is hoped that some of the newer MR imaging sequences will improve characterization of the tumor and thereby influence therapy. Several of these pulse sequences are already used routinely in brain imaging. Evaluation of new imaging sequences in the spine has lagged behind brain MR imaging, mainly due to technical factors. Work on animal spine models and extrapolation from brain imaging studies suggest that it is only a matter of time before some of these techniques become clinically relevant.
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