Lumbar Canal Stenosis Caused by Marked Bone Overgrowth after Decompression Surgery

Figure 3

Computed tomography (CT) images after the second decompression surgery. (a) CT images 6 months after the second surgery. (b) CT images 1 year after the second surgery. (c) CT images 2 years after the second surgery showing bone regrowth mainly around the facet joints. (d) CT images 4.3 years after the second surgery showing the marked bone regrowth over the lamina.

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