After sacrectomy, mobilization of the patient is only possible if a stable connection between the spine and pelvis can be obtained. We have developed an instrumentation to fix the pelvis to the spine. Two DHS screws connected to each other were implanted in the pelvis (one DHS screw into each ilium). An internal spine fixator, anchored in L3 and L4 through transpedicular Schanz screws, was attached to these DHS screws. Two patients were stabilized with this implant after sacrectomy. One patient was able to walk with crutches; the other patient was able to walk even without crutches.

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