Abstract
Background: The standard imaging in the assessment of the para-nasal sinuses is currently computed tomography scanning. This provides an applied anatomical view of the area as well as the common anatomical variants. The advancement and improvement of computed tomography scans has provided for a comprehensive evaluation of patients' para-nasal sinuses, allowing Functional Endoscopic Sinus Surgery surgeons to operate with a guide chart.
 Objectives: To study normal anatomical variations in para-nasal sinuses using Computed Tomography.
 Material and Methods: This research took place in a tertiary healthcare center's radiology department over the course of two years. Axial para-nasal sinuses cuts were taken using a multi-slice (128 slice scanner), followed by coronal and sagittal reconstruction.
 Results: The most common anatomic variation, according to the findings, was nasal septal deviation. The rarest variation in our sample was Haller cell and pneumatized septum. There was also a close connection between unilateral Concha bullosa and contra-lateral septal deviation, as evidenced by the research.
 Conclusion: A wide range of lesions can affect the para-nasal sinus area. Normal anatomical differences and congenital abnormalities in this area are significant because they can have pathological consequences or cause difficulty/complication during surgery.
 Keywords: Para-nasal sinuses, Computed Tomography, Functional Endoscopic Sinus Surgery.
Highlights
The air-containing pockets in the skull are known as the para-nasal sinuses (PNS)
It is important for clinicians to have a thorough understanding of the anatomy of the para-nasal sinuses[1]
CT scans of the para-nasal sinuses provide a clear image of the anatomy, anatomical variants, and the extent of disease in and around the sinuses[3]
Summary
The air-containing pockets in the skull are known as the para-nasal sinuses (PNS). The maxillary, ethmoid, frontal, and sphenoid sinuses are the para-nasal sinuses. In the case of diseases of the maxillary and frontal sinuses, conventional radiography is helpful It is only useful for evaluating the nasal cavity, ethmoid, and sphenoid sinuses. CT scans of the para-nasal sinuses provide a clear image of the anatomy, anatomical variants, and the extent of disease in and around the sinuses[3]. The standard imaging in the assessment of the para-nasal sinuses is currently computed tomography scanning. This provides an applied anatomical view of the area as well as the common anatomical variants. The advancement and improvement of computed tomography scans has provided for a comprehensive evaluation of patients' para-nasal sinuses, allowing Functional Endoscopic Sinus Surgery surgeons to operate with a guide chart
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