Hemorrhagic lumbar synovial facet cyst secondary to anticoagulation therapy.

Abstract

Acute onset of radicular symptoms has been reported following hemorrhage into lumbar synovial cysts after trauma or in cases of spinal instability. No previous cases have been linked to anticoagulation therapy. To present a case of symptomatic hemorrhagic lumbar synovial cyst occurring after anticoagulation therapy. A case report and review of the literature. A patient presented with low back and radicular pain secondary to a large synovial facet cyst. Magnetic resonance imaging revealed a large facet cyst compressing the thecal sac and L3 exiting nerve root. The synovial cyst was excised during a lumbar decompression and fusion. Gross blood was present in the cyst. This is the first reported case of symptomatic hemorrhagic lumbar facet cyst associated with anticoagulation therapy.