Spine
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A retrospective study was conducted to review the complication of cage migration in posterior lumbar interbody fusion (PLIF) with the Bagby and Kuslich method. ⋯ An 8% rate of cage migration was found in the current study, and 4 of 7 cases with cage migration received revision surgery. Several factors may contribute to the cage migration, including lack of posterior instrumentation and total facetectomy. Revision surgery for cage migration was technically challenging.