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Anomaly of the axis causing cervical myelopathy. Case report
H Asakawa1, K Yanaka, K Narushima
1Department of Neurosurgery, Tsukuba Medical Center, University of Tsukuba, Ibaraki, Japan.
Journal of Neurosurgery
|July 27, 1999
Summary
Spina bifida occulta of the axis (C-2) causing cervical myelopathy is rare. Surgical decompression led to significant recovery in a patient with tetraparesis due to spinal cord compression.
Area of Science:
- Neurology
- Neurosurgery
- Spinal Cord Anatomy
Background:
- The craniovertebral junction is a frequent site for congenital anomalies.
- Spina bifida occulta of the axis (C-2) with cervical myelopathy is exceptionally rare.
Observation:
- A 46-year-old male presented with progressive tetraparesis.
- Cervical canal stenosis at the C-2 level was identified as the cause.
- Spinal cord compression resulted from an invaginated bifid lamina of the axis.
Findings:
- Surgical decompression via laminectomy of C-3 and removal of the bifid posterior arch of the axis was performed.
- The patient experienced a remarkable recovery following the surgical intervention.
Implications:
- This case highlights a rare cause of cervical myelopathy.
- Surgical management can be effective for spinal cord compression due to axis anomalies.
- Further research into craniovertebral junction anomalies and their neurological impact is warranted.