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Cervical myelopathy due to dynamic compression by the laminectomy membrane: dynamic MR imaging study
T Morimoto1, S Okuno, H Nakase
1Department of Neurosurgery, Nara Medical University, Japan.
Journal of Spinal Disorders
|May 6, 1999
Summary
Dynamic magnetic resonance (MR) imaging aids in diagnosing delayed spinal cord compression after cervical laminectomy. This technique identified a laminectomy membrane causing deterioration 24 years post-surgery, leading to successful treatment.
Area of Science:
- Neurosurgery
- Radiology
- Spinal Surgery
Background:
- Multilevel cervical laminectomy can lead to delayed neurologic deterioration.
- Assessing the cause of such deterioration requires advanced imaging techniques.
Observation:
- A 75-year-old woman experienced neurologic decline 24 years after a C4-C7 laminectomy.
- Dynamic MR imaging revealed significant spinal cord compression from a laminectomy membrane.
Findings:
- The patient underwent anterior diskectomy and fusion.
- Post-operative assessment showed marked neurologic improvement.
Implications:
- Dynamic MR imaging is a valuable tool for diagnosing delayed neurologic changes after cervical laminectomy.
- Identifying laminectomy membranes as a cause of delayed compression can guide surgical intervention.