title: Radiologic case study: posteriorly displaced L2-L3 interbody cage: complication of lumbar interbody fusion.
abstract: Enhance your diagnostic skills with this "test yourself" monthly column, which features a radiograph and challenges you to make a diagnosis.
authors.affiliation: Department of Radiology, Mayo Clinic, Jacksonville, Florida, USA.
authors.forename: Madhura A
authors.initials: MA
authors.lastname: Desai
authors.forename: Laura W
authors.initials: LW
authors.lastname: Bancroft
mesh_terms: D005548:Foreign-Body Migration; D006801:Humans; D017116:Low Back Pain / Q000175:diagnosis* / Q000209:etiology; D008159:Lumbar Vertebrae / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D011475:Prosthesis Failure; D013123:Spinal Fusion / Q000009:adverse effects*; D014057:Tomography, X-Ray Computed