Abstract
Syringomyelia associated with atlantoaxial dislocation is usually described in patients with complex craniovertebral junction anomaly. However, atlantoaxial dislocation without craniovertebral junction bony anomaly very rarely causes syringomyelia. In this report, we describe a case of syringomyelia associated with atlantoaxial dislocation secondary to metastatic tumour of the axis vertebra.
Highlights
Syringomyelia is characterized by the presence of a fluid filled cystic cavity within the spinal cord
We describe a very rare case of syringomyelia caused by atlantoaxial dislocation associated with metastatic tumour of the axis
Magnetic resonance (MR) examination revealed an atlantoaxial dislocation with a tumoral mass involving the corpus of axis, with cervical syringomyelia (Figure 1)
Summary
Syringomyelia is characterized by the presence of a fluid filled cystic cavity within the spinal cord. Syringomyelia, Atlantoaxial dislocation, Craniovertebral junction, Tumour of the axis Cervical syringomyelia is usually associated with Chiari malformations, tumours or as a consequence of trauma [1,2]. Craniovertebral junction (CVJ) bony anomalies, including atlantoaxial vertical dislocation and basilar invagination with or without tonsillar herniation, can cause cervical syringomyelia [3,4].
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