Polymethylmethacrylate cement dislodgment following percutaneous vertebroplasty: a case report.
STUDY DESIGN: A case report is presented. OBJECTIVES: To report a rare complication of delayed cement displacement following percutaneous vertebroplasty. SUMMARY OF BACKGROUND DATA: Although percutaneous vertebroplasty is considered a minimally invasive procedure, it may result in several complications. To our knowledge, this is the first report of delayed cement displacement after percutaneous vertebroplasty. METHODS: A 69-year-old man with T12 osteoporotic compression fracture received percutaneous vertebroplasty. One month after surgery, the patient complained of progressive severe back pain, and roentgenographic image revealed a breakdown of the anterior cortex of the T12 vertebral body with anterior displacement of the bone cement. RESULTS: The complication was solved by one stage anterior and posterior operation: thoracoabdominal approach with removal of the displaced cement and posterior instrumentation from T11 to L1. The severe back pain with associated weakness improved after surgery. CONCLUSIONS: This complication is rare and likely to occur in treatment of osteoporotic vertebral fracture with avascular necrosis and anterior cortical defect.[1]References
- Polymethylmethacrylate cement dislodgment following percutaneous vertebroplasty: a case report. Tsai, T.T., Chen, W.J., Lai, P.L., Chen, L.H., Niu, C.C., Fu, T.S., Wong, C.B. Spine. (2003) [Pubmed]
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