Archives of Craniofacial Surgery (대한두개안면성형외과학회지)

Korean Cleft Palate-Craniofacial Association (대한두개안면성형외과학회)
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Optic foramen location on computed tomography

  • Vuong Duc Nguyen (Department of Otolaryngology, University of Medicine and Pharmacy at Ho Chi Minh City) ;
  • Minh Tran Quang Le (Ear Nose Throat Hospital of Ho Chi Minh City) ;
  • Chuong Dinh Nguyen (Department of Postgraduate Training, University of Medicine and Pharmacy at Ho Chi Minh City) ;
  • Tho Thi Kieu Nguyen (Department of Otolaryngology, University of Medicine and Pharmacy at Ho Chi Minh City)
  • Received : 2023.06.28
  • Accepted : 2023.08.01
  • Published : 2023.08.20
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Abstract

Background: This study aimed to identify the location of the optic foramen in relation to the anterior sphenoid sinus wall, which is essential information for surgeons in planning and performing endoscopic transnasal surgery. Methods: Computed tomography scans of 200 orbits from 100 adult patients with no abnormalities were examined. The results included the location of the optic foramen in relation to the anterior sphenoid sinus wall and the distance between them, as well as the distance from the optic foramen and the anterior sphenoid sinus wall to the carotid prominence in the posterior sphenoid sinus. Results: The optic foramen was anterior to the anterior sphenoid sinus wall in 48.5% of orbits, and posterior in the remaining 51.5%. The mean distance from the optic foramen to the anterior sphenoid sinus wall was 3.82±1.25 mm. The mean distances from the optic foramen and the anterior sphenoid sinus wall to the carotid prominence were 7.67±1.73 and 7.95±2.53 mm, respectively. Conclusion: The optic foramen was anterior to the anterior wall of the sphenoid sinus in approximately half of the orbits examined in this study, and posterior in the remaining half. The mean distance from the optic foramen to the anterior sphenoid sinus wall of the sphenoid sinus was 3.82±1.25 mm.

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References

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