A patient comes to radiology for a follow-up study of the lumbar spine.The patient had a spinal fusion performed at the L3-4 level 4 months earlier.Which of the following would best demonstrate the degree of movement at the fusion site?

Question

Quizplus · Accepted Answer

The lateral hyperextension and hyperflexion projections would best demonstrate the degree of movement at the fusion site by allowing visualization of the degree of movement in the anterior and posterior aspects of the lumbar spine. The other projection options listed are not specific for evaluating movement at the fusion site.

A Patient Comes to Radiology for a Follow-Up Study of the Lumbar