Amyloid Destructive Spondyloarthropathy Causing Cord Compression

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Abstract
Destructive spondyloarthropathy is a recently recognized disease that has not been reported in the neurosurgical literature. It is associated with spinal amyloid deposition in long-term renal failure and dialysis, and it occurs increasingly as the number of dialysis patients and their survival times increase. Clinically, there is a multisegmental and often rapidly progressive radiculomyelopathy that may require emergency stabilization. The radiological features are disc space narrowing with erosion of vertebral end plates and subarticular cysts. The pathological features include deposition of amyloid, which stains with Congo Red and antibodies to beta-2-microglobulin. We present two cases with clinical, radiological, and pathological features and a review of the literature.