Among them, 59 cases of spinal canal stenosis occurred after prolapse of lumbar intervertebral disc and 3 cases were complicated by lumbar retrogression.
椎管狭窄的原因中，59例继发于椎间盘多发突出，3例为腰椎退行性变。
Among them, 59 cases of spinal canal stenosis occurred after prolapse of lumbar intervertebral disc and 3 cases were complicated by lumbar retrogression.
椎管狭窄的原因中，59例继发于椎间盘多发突出，3例为腰椎退行性变。
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