How is spondylolisthesis graded? What can cause pseudospondylolisthesis? What is pseudospondylolisthesis? What is spondylolisthesis? What percentage of patients with spondylolysis also have spondylolisthesis? Where does spondylolisthesis usually occur? Book traversal links for Liver ‹ List four instances when it would be appropriate to obtain an MRI for a patient with low back pain. Up How is spondylolisthesis graded? ›