RT Journal Article SR Electronic A1 Nierengarten, Mary Beth T1 MRI and Standing Lateral Radiographs in Diagnosing L4-L5 LDS JF MD Conference Express YR 2015 FD SAGE Publications VO 14 IS 50 SP 18 OP 19 DO 10.1177/155989771450016 UL http://mdc.sagepub.com/content/14/50/18.2.abstract AB Magnetic resonance imaging (MRI) and standing lateral and flexion-extension (SLFE) radiographs should be obtained in patients thought to have L4-L5 lumbar degenerative spondylolisthesis (LDS). This article presents the results of a retrospective imaging study to determine the sensitivity of MRI in diagnosing LDS and whether L4-L5 facet joint effusions predicted LDS.