Age-related variability of piriform aperture and choans linear dimensions and their correlations in persons aged 1–21 years old according to craniometry data
Year: 2026, volume 22 Issue: №2 Pages: 259-264
Heading: Anatomy and anthropology Article type: Original article
Authors: Markeeva M.V., Aleshkina O.Yu., Tarasova N.V., Gladilin Yu.A., Zaichenko A.A.
Organization: Volgograd State Medical University, Saratov State Medical University
Heading: Anatomy and anthropology Article type: Original article
Authors: Markeeva M.V., Aleshkina O.Yu., Tarasova N.V., Gladilin Yu.A., Zaichenko A.A.
Organization: Volgograd State Medical University, Saratov State Medical University
Summary:
Objective: to determine the age-related variability of the linear dimensions of the piriform aperture and choans, and their correlations in individuals aged 1–21 years, using cranial measurements as an anatomical basis for planning endonasal interventions. Material and methods. By the method of craniometry, 87 skulls 1–21 years old were obtained linear dimensions of the piriform aperture and choans. The material is divided into 6 groups by age periods: infant age (n=13), early childhood (n=23), frst childhood (n=15), second childhood (n=14), adolescence (n=12), youth (n=10). Results. The growth of nasal cavity structures is uneven: the average values of the height and width of the piriform aperture up to 8–12 years do not have statistical diferences, making up 54.6 and 74.3% of the juvenile size in infancy, the height of the choans increases from 2–3 years, its width – from 8–12 years to juvenile age, increasing by 75.1 and 57%, respectively. Direct strong correlations of the height of the piriform aperture with the parameters of the choans have been revealed. Conclusion. The obtained craniometric data indicate uneven age-related variability of linear dimensions of the piriform aperture and choans in individuals aged 1–21 years. The most pronounced increase in the height of the choans is observed after infancy from 2–3 years, whereas the width of the choans and the dimensions of the piriform aperture demonstrate a later growth after 7 years. Strong correlations between the width of the piriform aperture and the size of the choans in younger age groups can be considered as an anatomical basis for planning endonasal interventions, but they do not replace individual preoperative imaging.
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