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THE IMPACTS OF SUPRA AGGER NASI CELLS ON FRONTAL SINUSITIS BY USING MULTIPLANAR CT SCAN AT MINH DUC HOSTITAL – BEN TRE
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Abstract
Background: The anatomical structure of the frontal sinus and frontal recess is relatively complex. The International Frontal Sinus Anatomy Classification (IFAC) was developed to provide clearer descriptions of the positions and relationships between the cells in the frontal recess. Understanding the relationship between the anatomical structures of the frontal sinus recess and frontal sinusitis is essential for effective intervention in this area. Objectives: This study aims to examine frontal recess cells according to IFAC 2016 and investigate the correlation between the structure of the supra agger nasi cells on frontal sinusitis. Materials and methods: This was a prospective, cross-sectional descriptive study on all CT scans of nasal cavities and paranasal sinuses of patients ≥ 20 years old at the Examination Department of Minh Duc Hospital - Ben Tre from April 2023 to February 2024. Results: 308 CT scans (600 sides) were examined. Agger nasi cells were the most common, seen in 94,3%. The prevalence rates for supra agger cells, supra agger frontal cells, supra bullar frontal cells, supra bullar cells, supra-orbital ethmoid cells and frontal septal cells were 37,%, 12,8%, 40,3%, 14,2%, 8,7% and 8,5%, respectively. The presence of supra agger frontal cells, supra bullar frontal cells, supraorbital ethmoid cells and frontal bullar was significantly associated with the development of frontal sinusitis. Conclusion: In cases with imaging showing frontal sinusitis, the presence of frontal recess cells pneumatized into the frontal sinus classified by IFAC may cause frontal sinusitis, When these cells appear, they can affect the drainage of the frontal sinus
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Keywords
Frontal sinus; frontal recess cells; IFAC; supra agger frontal cells
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