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Radiological evaluation of septal bone variations in the sphenoid sinus

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https://doi.org/10.2399/jmu.2014001002
Dündar, R., Kulduk, E., Kemal Soy, F., Aslan, M., Erdem Kılavuz, A., Umut Sakarya, E., Yazıcı, H., & Eren, A. (2014). Radiological evaluation of septal bone variations in the sphenoid sinus. ENT Updates, 4(1). https://doi.org/10.2399/jmu.2014001002
Volume 4 Issue 1 (2014)
Copyright (c) 2014 Rıza Dündar, Erkan Kulduk, Fatih Kemal Soy, Mehmet Aslan, Ahmet Erdem Kılavuz, Engin Umut Sakarya, Haşmet Yazıcı, Abdülkadir Eren
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This work is licensed under a Creative Commons Attribution 4.0 International License.

Authors

  • Rıza Dündar Department of Otorhinolaryngology, Kızıltepe Government Hospital, Mardin, Turkey
  • Erkan Kulduk
    Department of Otorhinolaryngology, Mardin Government Hospital, Mardin, Turkey
  • Fatih Kemal Soy Department of Otorhinolaryngology, Mardin Government Hospital, Mardin, Turkey
  • Mehmet Aslan Department of Otorhinolaryngology, Mardin Government Hospital, Mardin, Turkey
  • Ahmet Erdem Kılavuz Department of Otorhinolaryngology, Acibadem Healthcare Group, Maslak Hospital, Acibadem University, Istanbul, Turkey
  • Engin Umut Sakarya Department of Otorhinolaryngology, Bozkır Government Hospital, Konya, Turkey
  • Haşmet Yazıcı Department of Otorhinolaryngology, Balıkesir University, Balıkesir, Turkey
  • Abdülkadir Eren Department of Radiology, Kızıltepe Government Hospital, Mardin, Turkey

Objective: To determine septal variations and rates of intrasinusal protrusions of optic nerve and internal carotid artery in sphenoid sinus.

Methods: Retrospective analysis of spiral computed tomography scanning of paranasal sinuses of 218 patients diagnosed as acute/chronic sinusitis was performed. Bilateral sphenoid sinuses were evaluated as if a single sinus, septa of this sinus were evaluated in terms of number and configuration. Besides rates of optic nerve and internal carotid artery protrusions were determined

Results: A total of 5 types of septal variations were detected. A single complete septum (n=132; 60.5%), a single incomplete septum (n=66; 30.2%), double septum (complete + incomplete, n=6; 2.7%), two complete septa (n=9; 4.1%), and sphenoid sinuses without septum (n=5; 2.2%) were identified. Sixty-four percent of single septum was located in midline, while other types were found immediately right or left side of the midline. Besides, protrusions of optic nerve and internal carotid artery were detected in 39 (17.8%) and 61 (27.9%) cases, respectively.

Conclusion: Conclusion: Preoperative evaluation with computed tomography and surgical planning dependent on these findings are very important for endoscopic interventions and these approaches minimize potential major intraoperative complications.

Keywords:

Endoscopic sinus surgery sphenoid sinus variations

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