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(a) and (b) Anteroposterior and lateral radiographs of a 63-year-old gentleman with severe left lower extremity pain unresponsive to conservative measures. Workup revealed him to have an L4-5 degenerative spondylolisthesis in addition to having a left-sided juxtafacet cyst compressing the descending root of L5. The patient underwent L4-5 Dynesys placement in addition to laminoforaminotomy, mesial facetectomy, and excision of the facet cyst.
