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- Title
Frequency of Accessory Maxillary Ostium in Patients With/Without Sinusitis, and Its Correlation with Anatomical Variations of Paranasal Sinuses: A Cone Beam Computed Tomography Study.
- Authors
Kashi, Faezeh; Dalili Kajan, Zahra; Yaghoobi, Soophia; Khosravifard, Negar
- Abstract
This study assessed the frequency of accessory maxillary ostium (AMO) in patients with/without sinusitis and its correlation with anatomical variations using cone-beam computed tomography (CBCT). In this cross-sectional study, 244 CBCT scans were evaluated in two groups: with maxillary sinusitis having > 2 mm mucosal thickening and without max sinusitis as a normal group having normal or less than 2 mm mucosa. The CBCT scans of each group were carefully evaluated for the presence/absence of AMO, patency/obstruction of the primary maxillary ostium (PMO), and the presence of anatomical variations of the paranasal sinuses. Data were analyzed by independent t-test, Pearson Chi-square test, and Fisher's exact test (alpha = 0.05). CBCT scans of 134 females (54.9%) and 110 males (45.1%) with a mean age of 34.16 ± 19.01 years were evaluated. The presence of AMO had no significant correlation with maxillary sinusitis (P = 0.104). The two groups had no significant difference in the frequency of Haller cell, nasal septal deviation, and concha bullosa (P > 0.05). However, the frequency of paradoxical concha (PC; P < 0.001) and bifid concha (BC; P = 0.017) was significantly higher in the normal group, and the frequency of PMO obstruction was significantly higher in the sinusitis group (P < 0.001). AMO had no significant correlation with any anatomical variation in any group (P > 0.05). Gender had a significant effect on the presence of AMO (P = 0.013). The presence of AMO had no significant correlation with maxillary sinusitis. However, its frequency was significantly higher in females in normal group and males with sinusitis. The presence of AMO had no significant correlation with anatomical variations.
- Subjects
CONE beam computed tomography; ANATOMICAL variation; PARANASAL sinuses; NASAL septum; SINUSITIS; FISHER exact test
- Publication
Indian Journal of Otolaryngology & Head & Neck Surgery, 2024, Vol 76, Issue 2, p1645
- ISSN
2231-3796
- Publication type
Article
- DOI
10.1007/s12070-023-04376-y