Magnetic resonance myelography (MRM) as a spinal examination technique

Conventional myelography involves side effects and complications due to puncture of CSF space and injection of contrast medium. On the other hand, MR-myelography (MRM) is a new noninvasive method requiring neither puncture nor contrast medium and causing no side effects. The diagnostic value and acc...

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Bibliographic Details
Published in:Acta neurochirurgica 1997-01, Vol.139 (11), p.1080-1084
Main Authors: RAMSBACHER, J, SCHILLING, A. M, WOLF, K.-J, BROCK, M
Format: Article
Language:English
Subjects:
Adult
Age
Aged
Amputation
Biological and medical sciences
Cerebrospinal fluid
Female
Humans
Investigative techniques, diagnostic techniques (general aspects)
Ionizing radiation
Magnetic Resonance Imaging
Male
Medical sciences
Methods
Middle Aged
Myelography
N.M.R
Nerve Compression Syndromes - diagnosis
Nerves
Nervous system
Neurosurgery
Prospective Studies
Radiodiagnosis. Nmr imagery. Nmr spectrometry
Sensitivity and Specificity
Sheaths
Side effects
Single-Blind Method
Spinal Nerve Roots - pathology
Spinal Stenosis - diagnosis
Spine - pathology
Stenosis
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Summary:Conventional myelography involves side effects and complications due to puncture of CSF space and injection of contrast medium. On the other hand, MR-myelography (MRM) is a new noninvasive method requiring neither puncture nor contrast medium and causing no side effects. The diagnostic value and accuracy of MRM was evaluated in comparison with conventional myelography. In this prospective comparative study, 41 patients (17 male, 24 female, mean age 42 years) with radicular symptoms underwent conventional lumbar myelography and were also submitted to MRM. Evaluation was performed in a blind manner by two independent examiners. The specificity and sensitivity of the methods are identical. MRM shows 35 cases of thecal indentation with amputation of a nerve root sheath and 6 cases of spinal stenosis. The results of conventional myelography and MRM were surgically confirmed in 38 patients. Both methods have the same diagnostic accuracy, but MRM requires neither puncture nor contrast medium nor x-rays.
ISSN:0001-6268
0942-0940
DOI:10.1007/BF01411564