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1 Folia Morphologica

1 2019

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Analysis of corpus callosum size depending on age and sex

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Guz W. , Pazdan D. , Stachyra D. , Swieton F. , Poreba P. , Bednarz M. , Lis A. , Kazanska A. , Krukowska J. , Kleba J. , Urbanik A.

Folia Morphologica

2019

tom 78

nr 1

Background: The aim of the study was to analyse changes in the size of the corpus callosum (CC) depending on age and sex and to establish the reference values of the morphometric indices of the CC in the Polish population. Materials and methods: The results of magnetic resonance studies of 1108 patients performed in the years 2010–2014 were analysed. Two independent radiologists evaluated cerebral images to exclude deviations from normal state. In patients divided according to sex and to 10 age groups, measurements of CC and brain dimensions were made and morphometric indices were calculated. Results: The results of measurements related to the following parameters: lengths of longitudinal cross-section of CC (CD), CC thickness in the narrowest place — isthmus (EF), the largest linear dimension of the brain from the frontal pole to the occipital pole (AB), the longitudinal cross-section area of the CC (A1) and cerebral cross-section area (A2) as well as CD/AB and A1/A2 ratios are summarised in 7 figures and 3 tables. Conclusions: It was demonstrated, that in all age groups there are statistically significant differences in the values of the analysed parameters and ratios of CC size. It was indicated, that there are no statistically significant differences between men and women in the CD, EF, and A1 parameters related to CC size, and the profiles of variations of these parameters are very similar. It was proved that there are statistical differences between women and men in parameters/indicators concerning of the brain size. (Folia Morphol 2019; 78, 1: 24–32)