Executive Editor: Edward Ellis III, Kazuo Shimozato General Editor: Daniel Buchbinder

Authors: Carl-Peter Cornelius, Nils Gellrich, Søren Hillerup, Kenji Kusumoto, Warren Schubert

Midface - Isolated zygomatic arch - Computer assisted surgery

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Glossary

Authors: Alexander Schramm, Marc Metzger, Nils Gellrich, Bradley Strong

1 Preoperative imaging top

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The preoperative CT scan shows a displaced isolated zygomatic arch fracture of the left side.

2 Intraoperative assessment of reduction top

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To verify that the zygomatic arch has been properly reduced, CT scans can be performed intraoperatively.


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The intraoperative CT scan shows anatomic reduction of the bony fragments.


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Virtual planning software allows automatic image fusion of preoperative (blue) and intraoperative (gold) CT scans. This allows for a better visualization of the achieved reduction.


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In the example shown here, the intraoperative imaging shows an incomplete reduction of the right zygomatic arch.


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Without additional morbidity, the reduction of the zygomatic arch could be completed during the same operative session and verified with a second intraoperative scan.

v1.0 2009-12-03