An evaluation of the effect of a change in paranasal sinus volumes on the formation of nasal polyposis and mastoid aeration

Abstract

AimIt is thought that paranasal pneumatization could be a factor effective at the stage of nasal polyposis development. Pneumatization changes in the paranasal sinuses of those with nasal polyposis could affect mastoid aeration. Therefore, the aim of this study was to investigate any relationship between mastoid pneumatization and nasal polyps.MethodMaxillary sinus, frontal sinus, mastoid and sphenoid pneumatization volumes were calculated based on paranasal sinus computed tomography (CT) images for a total of 133 patients, comprising 64 diagnosed with nasal polyposis and a control group of 69.ResultsThe left maxillary sinus and sphenoid sinus pneumatization values of the nasal polyposis patients were observed to be statistically significantly lower than those of the control group. A statistically significant positive relationship was found between mastoid pneumatization and maxillary, sphenoid and frontal sinus pneumatization in the nasal polyp group.ConclusionAs a result of this study using the 3-D paranasal CT reconstruction method on patients with nasal polyposis, a reduction was determined in the pneumatization of mastoid air cells and maxillary sinus and sphenoid sinus pneumatizations. It can be considered that this reduction in sphenoid sinus and maxillary sinus pneumatization is a risk factor for nasal polyp development.

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