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DEMİR AKKUŞ, İMREN

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DEMİR AKKUŞ

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    Examination of the development and asymmetry of the cerebellum and its lobules in individuals aged 1-18 years: A retrospective mri study
    (Springer, 2023-08-08) IŞIKLAR, SEFA; Demir, İmren; DEMİR AKKUŞ, İMREN; Özdemir, Senem Turan; Özpar, Rıfat; ÖZPAR, RİFAT; Tıp Fakültesi; Radyoloj Ana Bilim Dalı; 0000-0002-2070-5193; 0000-0001-6649-9287; AAK-3779-2021; JCN-7254-2023
    Developmental studies of cerebellar lobules were limited. To our knowledge, structural asymmetry has not been studied in immature cerebellar lobules in the 1-18 age group. This study investigated the effect of age and gender on the volumetric development and asymmetry of the global cerebellum and cerebellar lobules in children and adolescents. In this retrospective study, we included 670 individuals [376 (56.1%) males] aged 1-18 years with normal brain MRIs between 2012 and 2021. volBrain CERES automatically segmented the right and left sides of the cerebellar lobules on three-dimensional T1-weighted MRIs. Volume and asymmetry data from individuals in 16 different age ranges were compared with SPSS (ver.28). The absolute volumetric development of the total cerebellum was consistent with the "S" development model in both sexes. The developmental trajectories of the cerebellar lobules were different from each other and showed sexual dimorphism. In the 1-18 age group, the absolute volumes of the total cerebellum and cerebellar lobules were significantly greater in males (p < 0.05). Absolute volumes of lobules IV, VIIB, VIIIA and VIIIB in the age groups had more gender differences. However, sexual dimorphism was insignificant in the cerebellum's total and lobular relative volume. Lobules IV, V, VI, VIIIA and VIIIB had left > right asymmetry and other lobules and total cerebellum had right > left asymmetry. This study confirmed the developmental heterogeneity and sexual dimorphism in the cerebellar lobules. It also provided volumetric data of the immature cerebellum to enable comparison in various neurological and neuropsychiatric diseases.