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Percutaneous CT-guided sacroplasty. Intraprocedural axial CT images during PMMA injection (A and B). The needle tip position is identified by the presence of beam-hardening artifacts (arrows) with adjacent PMMA deposition. Final postprocedural coronal CT image (C) reveals satisfactory PMMA deposition (arrows), with no extravasation into the sacral neural foramina.
