Presentation
Quadriparesis
Patient Data
Continuous ossification and thickening of posterior longitudinal ligament in cervical spine with ligament flavum ossification/thickening at places causing mild to moderate compression of cord. Intramedullary hyperintensity seen at C6-7 level consistent with compressive myelopathy. Segmental ossification and thickening of posterior longitudinal ligament also seen in visualized thoracic spine.
Case Discussion
Case shows severe continuous ossification and thickening of the posterior longitudinal ligament with ligamentum flavum ossification/thickening at places causing mild to moderate compression of the cord and resulting in compressive myelopathy and quadriparesis. Ossification and thickening of posterior longitudinal ligament is also seen in visualized upper thoracic spine. These findings are consistent with stage 3, type 3 (mixed) ossification of posterior longitudinal ligament.
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