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  • Title: Foramen magnum morphometry in children based on computed tomography examination.
    Author: Wilk R, Moroz M, Zięba K, Likus W.
    Journal: Folia Morphol (Warsz); 2023; 82(3):587-595. PubMed ID: 35818806.
    Abstract:
    BACKGROUND: The foramen magnum is the largest opening at the base of the skull. The dimensions of the foramen magnum are of significant clinical importance because of the vital structures that pass through it. The aim of the study was the morphometric analysis of the foramen magnum in children based on head computed tomography (CT). MATERIALS AND METHODS: The study was carried out on 84 CTs of the head of children aged 0-18 years; seven age groups were distinguished. The sagittal and transverse dimensions were measured to determine the growth rate, changes between groups, and differences in the foramen size by sex. Statistical analysis of changes was performed. RESULTS: The entire group's mean transverse and sagittal dimensions were 29.08 mm (standard deviation [SD] 3.4 mm) and 35.63 (SD 4.23) mm. By sex, the mean transverse dimension in girls was 28.53 (SD 3.25) mm, and in boys, 29.6 (SD 3.49) mm. The mean sagittal dimension was 35.15 (SD 3.76) mm in girls and 36.09 (SD 4.64) mm in boys. Both dimensions were higher for the male sex. A statistically significant increase in the foramen magnum size was demonstrated up to the age of 36 months in the following age groups; above that age, the increase was statistically insignificant. CONCLUSIONS: The dimensions were similar to those described in adults a moderate dependence of the foramen magnum size on age was found.
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