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Anteroposterior and Lateral X-rays
A typical L4-5 fusion construct for spondylolisthesis. The top image shows an anteroposterior polyetheretherketone rods with metal fiducial marker caps at the ends and robust intertransverse fusion bone bilaterally. The bottom image is a lateral view showing the polyetheretherketone rods with metal fiducial marker caps protruding rostral and caudal to the screw heads. The spondylolisthesis is visible at L4-5.
