POSTOPERATIVE HYPERMOBILE INSTABILITY

Recumbent Upright Images courtesy of Manuel S. Rose, M.D.- Rose Radiology Centers Postoperative Hypermobile Instability The recumbent scan for this patient with recurrent low back pain and polyradiculopathy following L4-S1 laminectomy and fusion is shown on the left. The upright scan (right) shows postoperative intersegmental hypermobile instability associated with mobile fluctuating stenosis of the central spinal canal at the level above spinal fusion.

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