Fig. 1. Patient in teriparatide long-duration treatment group. (A) Myelogram before surgery. (B) The patient showed L3 and L4 degenerated spondylolisthesis and spinal stenosis. (C) X-ray at 15 months after surgery. Bilateral bone formation bridging the transverse processes between adjacent vertebrae was seen in this patient. (D, E) Computed tomography at 12 months after surgery. Facet fusions (arrows) were observed in this patient.
