Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) Preoperative lateral radiograph showing isthmic spondylolisthesis. (b) and (c) Lateral radiograph at 1 and 12 months postoperative. (d) and (e) Extension and flexion lateral X-rays at two-years follow-up. (f) Sagittal CT image obtained 2 years postoperatively showing interbody fusion.
