Comparison of volumetric and shape changes of subcortical structures based on 3-dimensional image between obesity and normal-weighted subjects using 3.0 T MRI
- Authors
- Kim A.-Y.; Shim J.-H.; Choi H.J.; Baek H.-M.
- Issue Date
- Mar-2020
- Publisher
- Churchill Livingstone
- Keywords
- 3Tesla; Obese; Subcortical structures; Surface alteration; Vertex analysis
- Citation
- Journal of Clinical Neuroscience
- Journal Title
- Journal of Clinical Neuroscience
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/17726
- DOI
- 10.1016/j.jocn.2019.12.052
- ISSN
- 0967-5868
- Abstract
- The morphological changes of the brain, particularly in the integrity of white and gray matter and the cortical thickness of brain, have been investigated extensively in obese patients. While there has been a growing amount of evidence indicating that subcortical structures are associated with obesity, studies on the volume of subregional level including shape alterations using high-field MRI are very sparse. The aim of this study was to evaluate and compare the volumes of 14 subcortical structures (bilateral thalamus, caudate, putamen, globus pallidus, hippocampus, amygdala, nucleus accumbens) in obese and normal-weighted subjects using 3T MRI for high resolution imaging. Fifty-four volunteers, 27 obesity (age = 23.15 ± 3.22, body mass index (BMI) = 30.12 ± 3.77) and 27 normal weighted controls (age = 26.1 ± 5.78, BMI = 21.76 ± 1.74) participated in the study. Through volumetric analysis, we found that the obese subjects had enlarged bilateral thalamus, putamen, pallidus and hippocampus, reduced bilateral caudate in obese groups in comparison to normal-weighted groups. Furthermore, we found that the medial-dorsal part of bilateral caudate significantly shrank while the lateral-dorsal part of bilateral thalamus significantly increased through vertex-based analysis (p < 0.05). Thus, based on our evidence, we suggest that subcortical structures are associated with feeding behavior and sensory function in obese patients. © 2019
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