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APPLICATION OF COMPUTED TOMOGRAPHY IN ASSESSING ANATOMICAL VARIANTS OF THE MAXILLARY SINUS IN CHRONIC SINUSITIS PATIENTS
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Abstract
Introduction: Chronic sinusitis is a common medical condition in Vietnam, affecting individuals of all ages. Multiple factors can impact the drainage pathways of the mucociliary system, leading to obstruction of the osteomeatal complex and causing chronic sinusitis. Among these factors, anatomical variations in the nasal and sinus region play a significant role, with the maxillary sinus—the largest sinus—exhibiting various anatomical variations. Objective: To investigate the anatomical variations of the maxillary sinus in patients with chronic sinusitis. Subjects and Methods: A retrospective descriptive study was conducted on a series of 248 patients diagnosed with chronic sinusitis based on clinical and radiological criteria at the University Medical Center, Ho Chi Minh City, from 2019 to 2023. Results: The prevalence of anatomical variations in the maxillary sinus region included Haller cells (50%), pneumatization into the roots of teeth (51.2%), maxillary sinus septa (25%), maxillary sinus hypoplasia (3.2%), ethmomaxillary sinus (13.4%), and accessory maxillary ostium (30.2%). There is a statistically significant correlation between anatomical variations (Haller cells, maxillary sinus septum, maxillary sinus hypoplasia, accessory maxillary ostium) and the sinusitis severity score; however, all correlations are weak. Conclusion: Computed tomography is an effective method for evaluating anatomical variations of the maxillary sinus region. The prevalence of anatomical variations differs among individuals, and there is no statistically significant correlation between anatomical variations and the severity of chronic sinusitis
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Keywords
Anatomical variations, maxillary, chronic sinusitis.
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