PubMed · 1989034
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H D Onken. 1991. Posttraumatic orbitozygomatic deformities.. https://doi.org/10.1097/00006534-199102000-00035
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Intraoperative assessment of the spinal canal during dorsal instrumentation for vertebral fractures which narrow the canal is facilitated by myelography. However, the flow of contrast medium around a displaced fragment may result in an erroneous interpretation of canal patency. By performing myelography prior to instrumentation and reduction of the fracture, a chance in myelography-findings after reduction can clearly be caused only by successful repositioning of the displaced fragment. The possibility of an incorrect interpretation of the investigation can thus be reduced.
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