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  Indian J Med Microbiol
 

Figure 3: Illustrative case - Patient 25-presented with cervical neck pain after moderate walking and signs of cord compression (hyperreflexia, a positive Babinski sign) without gait complaints. (a) Sagittal T2 sequence magnetic resonance imaging showing tonsillar herniation and syrinx in the cervical spinal cord. (b and c) Flexion and extension CT scan sagittal reconstructions showing atlanto-axial stability. The clivus canal angle changed from 110° in flexion through 115° in extension. (d) Sagittal CT scan showing a normal facet joints congruence despite an important clivus hipoplasia. (e and f) Postoperatory sagittal CT scan after posterior fossa decompression and dura mater expansion with fascia graft. The patient reported significant relief of cervical axial pain after 4 months of follow-up

Figure 3: Illustrative case - Patient 25-presented with cervical neck pain after moderate walking and signs of cord compression (hyperreflexia, a positive Babinski sign) without gait complaints. (a) Sagittal T2 sequence magnetic resonance imaging showing tonsillar herniation and syrinx in the cervical spinal cord. (b and c) Flexion and extension CT scan sagittal reconstructions showing atlanto-axial stability. The clivus canal angle changed from 110° in flexion through 115° in extension. (d) Sagittal CT scan showing a normal facet joints congruence despite an important clivus hipoplasia. (e and f) Postoperatory sagittal CT scan after posterior fossa decompression and dura mater expansion with fascia graft. The patient reported significant relief of cervical axial pain after 4 months of follow-up