Abstract
Purpose
The objective of this study was to prove the higher frequency of the type 6 deformations overall compared to the results obtained by conventional diagnostic methods, such as computed tomography images and clinical examination.
Methods
The study was performed at the Institute of Anatomy, where a total of 114 randomly selected skulls were examined. The skulls were then scanned in a fixed position using the cone-beam technique (CBCT). The literature epidemiological data of the clinical incidence of type 6 in studies that also used Mladina classification were obtained.
Results
There was a statistically significant difference (p < 0.0001) in the frequency of type 6 deformation as diagnosed by visual inspection (22.8%) and computed tomography (7.9%). The frequency obtained by CT imaging amounted 7.9% and was almost the same as the results obtained by a clinical examination which varied between 9 and 11%.
Conclusions
The frequency of type 6 nasal septal deformation is higher by visual inspection of the skulls than by computed tomography imaging at a level of significance of 0.05. The incidence of type 6 findings on coronal CT images of paranasal sinuses is approximately the same as that found with anterior rhinoscopy. Type 6, visible or concealed; probably have one-fourth to one-fifth people in population, so the number of clinically overlooked and/or unrecognized types 6 is much greater than we thought it to be.
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The study was performed at the Institute of Anatomy in full compliance with the principles of the Declaration of Helsinki. Since those skull samples already had all necessary permissions, because they belonged to the Institute, there was no need for additional approvements.
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Arsov, B., Antunovic, R., Kovac Bilic, L. et al. Morphological, anatomical, radiological and clinical features of Mladina type 6 nasal septum deformations in humans. Eur Arch Otorhinolaryngol 277, 3375–3380 (2020). https://doi.org/10.1007/s00405-020-06215-0
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DOI: https://doi.org/10.1007/s00405-020-06215-0