Intraspinal extradural gout tophus in the lumbar vertebral canal: Case reports.

Rationale: Intraspinal gout tophus in the lumbar vertebral canal associated with gouty arthritis is rare. We present 2 cases with the first manifestations of a sequestrated intervertebral disc and an extradural tumor, and histopathologically proven to be gouty deposits in the lumbar vertebral canal.

Patient Concerns: The 2 patients presented with typical radiculopathy symptoms and a positive straight leg raise.