Primary Article
Nerve Root Cut-off on Metrizamide-Enhanced Computerized Tomography
Abstract
ABSTRACT: The “wink” sign of nerve root cut-off seen on metrizamide-enhanced computerized tomography correlates well with compression of a lumbar nerve by a herniated disk. Seven of 46 patients had normal or equivocal myelograms, but had definite nerve root cut-off on metrizamide-enhanced CT scan. All seven patients were found to have a herniated lumbar disk at operation or a diskogram positive for herniation at the time of chymopapain injection. The wink sign is an additional objective finding that can be used in assessing the patient with sciatica.This content is limited to qualifying members.
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