A Study to Assess the Bilateral Sphenoidal Sinus Parameters and Determine the Number and Pattern of Attachment of Intra-Sphenoidal Sinus Separation by Computed Tomography

Authors

  • Anoop Singh Gurjar Associate Professor, Department of Anatomy, Government Medical College, Pali, Rajasthan, India
  • Manisha Gurjar Associate Professor, Department of Biochemistry, Dr. S. N. Medical College, Jodhpur, Rajasthan, India

Keywords:

CT scan, Sphenoid Sinus, Pneumatization, Protrusion, Dehiscence.

Abstract

Background: Computerized tomography (CT) scan is the most precise imaging technique to demonstrate paranasal sinuses. Bony details are assessed by wide window settings and soft tissue by narrow window settings. Triplanar cuts are used to read anatomical details. The aim of this study is to assess the bilateral sphenoidal sinus parameters & determine the number & pattern of attachment of intra-sphenoidal sinus separation by computed tomography. Materials & Methods: It is a cross sectional study. Patients attending ENT Outpatient Department at Government hospital, Pali, India with features of sinonasal disease and were advised CT scan depending upon the symptoms and course of the disease were included. One (1) mm. thickness cuts were taken from anterior table of frontal sinus to posterior extent of sphenoid sinus. Images were acquired in the axial plane and then reconstructed in coronal and sagittal planes. Results: No conchal type of sphenoid sinus was detected in this study population. Prevalence of anterior clinoid process pneumatization found in 18% cases (n=9). The prevalence of Internal Carotid Artery (ICA) protrusion & dehiscence into the sphenoid sinus encountered in 28% & 12% respectively. Optic Nerve protrusion was present in 26% (n=13) patients. A total of 100 septa were seen in axial plane and 140 in coronal plane. Septa attachment to optic nerve was seen in 28% (n=14) patients, of whom 5 patients (10%), 6 patients (12%) and 3 patients (6%) had attachment related to right optic nerve, left optic nerve and both optic nerves, respectively. Conclusion: In our study we used CT scan with 1 mm section thickness. This resolution helped in better demonstration of complicated sphenoid sinus anatomy well.

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Published

2021-09-17

How to Cite

Anoop Singh Gurjar, & Manisha Gurjar. (2021). A Study to Assess the Bilateral Sphenoidal Sinus Parameters and Determine the Number and Pattern of Attachment of Intra-Sphenoidal Sinus Separation by Computed Tomography. International Journal of Health and Clinical Research, 4(16), 399–401. Retrieved from https://ijhcr.com/index.php/ijhcr/article/view/2698