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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

KARACAN, Keziban et al. Determination of Lateral Ventricle and Brain Volume in Children with Stereological Method Using MRI. Int. J. Morphol. [online]. 2013, vol.31, n.1, pp.211-216. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022013000100035.

Although brain development is most active during the intrauterina period of life, the processes of myelination and arborization affect the structure of the brain throughout childhood and adolescence. Brain development is also very active in the early years of a child's life, and continues to be so for approximately 15 years after gestation. Volumetric changes in the brain are effected by sex. Understanding the variability of human brain volume during development is important for the interpretation of childhood neuroimaging studies. Hence the aim of this study is to determine the effects of sex difference on brain volume (BV), lateral ventricle volume (LV) and the ratio of brain volume and lateral ventricle volumes as a percentage (RLBV%) of 90 healthy children between the ages of 6-17 according to their sex with MRI. These children were divided into three age groups of 6-9, 10-13 and 14-17 also BV, LV were calculated using the Cavalieri principle, which is classified as a stereological method and than RLBV% were calculated. Results: The BV of age group 6-9 was significantly smaller than the other two age groups (P < 0.05). General average BV of the age group 10-13 was higher than the other two age groups but this difference is insignificant. When the groups were compared according to sex, there was no important difference between girls and boys (P > 0.05). General average LV of the age group 6-9 was higher than the other two age groups but this difference insignificant. Moreover there was no sex difference. This study was presented that BV was continued to increase until the ages 10-13 for both of the genders. While LV was increased until the ages 10-13 for boys, it was had a negative relationship with changes of BV for girls.

Palabras clave : Brain; Lateral ventricles; Magnetic resonance imaging; Stereology.

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