Evaluation of the relationship between concha bullosa and nasal septum deviation with diameter of nasolacrimal duct

Aim: The aim of this study was to evaluate the effect of concha bullosa (CB) and nasal septal deviation (NSD) on the diameter nasolacrimal duct (NLD).Material and Methods: A total of 103 patients who underwent paranasal sinus (PNS) computed tomography (CT) between January 2018 and May 2018 were included in the study. Coronary and axial CT images of the patients were evaluated for the presence of CB and NSD. Left and right NLD diameters were measured from axial CT plane. To ensure standardization, the NLD diameters measurement was performed from the CT sections at the level of the inferior border of bilateral bulbusoculi in all patients. The relationship between the CB, NSD and NLD was statistically analyzed.Results: Of the 103 patients included in the study, 51 (49.5%) were males and 52 (50.5%) were females. The minimum age of the patients was 18 years, the maximum age was 79 years and the median age was 38 years. Forty patients (38.8%) had CB and 63 patients (61.2%) had no CB. Nasal septum was in the midline in 39 patients (37.9%) and NSD was present in 64 patients (62.1%). The median NLD diameter was 5.8 mm on the right and left side. NLD diameter was significantly smaller in females than males(p

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