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Wada K, Mori K, Toyooka T, et al. Safe fronto-orbito-zygomatic osteotomy using a diamond-coated threadwire saw in orbito-zygomatic craniotomy. Asian J Neurosurg. 2015;10(3):250-2doi: 10.4103/1793-5482.161190.
Wada, K., Mori, K., Toyooka, T., Otani, N., Fujii, K., Ueno, H., Tomura, S., & Tomiyama, A. (2015). Safe fronto-orbito-zygomatic osteotomy using a diamond-coated threadwire saw in orbito-zygomatic craniotomy. Asian journal of neurosurgery, 10(3), 250-2. https://doi.org/10.4103/1793-5482.161190
Wada, Kojiro, et al. "Safe fronto-orbito-zygomatic osteotomy using a diamond-coated threadwire saw in orbito-zygomatic craniotomy." Asian journal of neurosurgery vol. 10,3 (2015): 250-2. doi: https://doi.org/10.4103/1793-5482.161190
Wada K, Mori K, Toyooka T, Otani N, Fujii K, Ueno H, Tomura S, Tomiyama A. Safe fronto-orbito-zygomatic osteotomy using a diamond-coated threadwire saw in orbito-zygomatic craniotomy. Asian J Neurosurg. 2015 Jul-Sep;10(3):250-2. doi: 10.4103/1793-5482.161190. PMID: 26396621; PMCID: PMC4553746.
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Asian J Neurosurg. 2015 Jul-Sep;10(3):250-2. doi: 10.4103/1793-5482.161190.

Safe fronto-orbito-zygomatic osteotomy using a diamond-coated threadwire saw in orbito-zygomatic craniotomy.

Asian journal of neurosurgery

Kojiro Wada, Kentaro Mori, Terushige Toyooka, Naoki Otani, Kazuya Fujii, Hideaki Ueno, Satoshi Tomura, Arata Tomiyama

Affiliations

  1. Department of Neurosurgery, National Defense Medical College, Tokorozawa, Saitama, Japan.

PMID: 26396621 PMCID: PMC4553746 DOI: 10.4103/1793-5482.161190

Abstract

Orbito-zygomatic craniotomy is a widely accepted skull-based technique, but osteotomy at the malar eminence (ME) is complicated. We have developed a safe fronto-orbito-zygomatic (FOZ) osteotomy by creating small guide burr holes in the superior and lateral parts of the orbital wall and cutting the bone using a diamond-coated threadwire saw. This method involves standard two-piece osteotomy by creating small superior and lateral guide orbital burr holes instead of sectioning into the superior and inferior orbital fissures. The guide burr holes are connected using a diamond-coated threadwire saw to create the FOZ bar. This method was applied to the treatment of four patients with skull-based tumors or internal carotid and basilar artery aneurysms. Postoperative three-dimensional bone density computed tomography showed minimum bone gap in the ME. No craniotomy-related complication has occurred. FOZ osteotomy by creating guide burr holes in the orbital wall and cutting the bone using a diamond-coated threadwire saw is safe and results in minimum bone gap in the ME.

Keywords: Diamond-coated threadwire saw; orbital guide burr holes; orbito-zygomatic approach; skull-based surgery

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