Morphological regionalization using fetal magnetic resonance images of normal developing brains.

Hu HH; Guo WY; Chen HY; Wang PS; Hung CI; Hsieh JC; Wu YT

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Morphological regionalization using fetal magnetic resonance images of normal developing brains.

机译：使用正常发育中的大脑的胎儿磁共振图像进行形态学区域划分。

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Regional differences in human brain development during infancy have been studied for many years, but little is known about how regionalization of the brain proceeds during intrauterine life. We investigated the regionalization of cerebral volume and cortical convolutions based on the volumetric magnetic resonance images (MRIs) of 43 fetuses, ranging from 21 to 37 weeks of gestation. Two plausible parcellations of MRI are proposed, and curvature index together with gyrification index are used to quantify the regional cortical convolutions. Our results elucidate that the cortical foldings among different brain regions develop at comparable rates, suggesting a similar uniformity of changes in size of the cortical sheet in these regions over time. On the contrary, the growth of the cerebral volume presents regional difference, with the frontal and parieto-temporal regions growing significantly faster than other regions due to the contribution from expansion of basal ganglia. This quantitative regional information suggests that cerebral volume is not a relevant parameter to measure in relation to gyrification, and that the size of the cortical sheet is more likely to be directly related to cortical folding. The availability of quantitative regional information on normal fetal brains in utero will allow clinical application of this information when probing neurodevelopmental disorders in the future.

机译：婴儿期人类大脑发育的区域差异已经研究了很多年，但是关于子宫内生命过程中大脑区域化的进展知之甚少。我们根据43例胎儿的体积磁共振图像（MRI）调查了21至37周妊娠的脑容量和皮层卷积的区域分布。提出了两个可能的MRI分割，并使用曲率指数和回旋指数来量化区域皮层卷积。我们的研究结果表明，不同大脑区域之间的皮质折叠以可比的速度发展，表明这些区域的皮质片大小随时间变化的相似均匀性。相反，由于基底神经节的扩张，大脑体积的增长呈现出区域差异，额叶和顶颞区的增长明显快于其他区域。这种定量的区域信息表明，大脑体积不是与旋转相关的要测量的相关参数，并且皮质片的大小更可能与皮质折叠直接相关。子宫内正常胎儿大脑的定量区域信息的可用性将在将来探查神经发育障碍时允许该信息的临床应用。

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《The European Journal of Neuroscience》 |2009年第8期|共8页
作者
Hu HH; Guo WY; Chen HY; Wang PS; Hung CI; Hsieh JC; Wu YT;
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正文语种 eng
中图分类神经病学与精神病学;
关键词
Magnetism; Foetal; Volume; Brain; SIZES; 脑;

机译：磁性;致命;体积;脑;大小;脑;

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1. Morphological regionalization using fetal magnetic resonance images of normal developing brains. [J] . Hu HH, Guo WY, Chen HY, The European Journal of Neuroscience . 2009,第8期

机译：使用正常发育中的大脑的胎儿磁共振图像进行形态学区域划分。
2. Magnetic resonance diffusion-weighted imaging: reproducibility of regional apparent diffusion coefficients for?the normal fetal brain. [J] . A C Boyer, L F Gon?alves, W Lee, Ultrasound in obstetrics & gynecology: the official journal of the International Society of Ultrasound in Obstetrics and Gynecology . 2013,第2期

机译：磁共振弥散加权成像：正常胎儿脑区域表观弥散系数的再现性。
3. Normal anatomy of the developing fetal brain. Ex vivo anatomical-magnetic resonance imaging correlation. [J] . Bendersky M, Musolino PL, Rugilo C, Journal of the Neurological Sciences: Official Bulletin of the World Federation of Neurology . 2006,第1a2期

机译：胎儿大脑发育的正常解剖。离体解剖磁共振成像相关性。
4. Change in Cerebral Perfusion Detected by Dynamic Susceptibility Contrast Magnetic Resonance Imaging Normal volunteers examined during normal breathing and hyperventilation [C] . Ronnie Wirestam, Christian Engvall, Erik Ryding, The 3rd International Conference on Bioinformatics and Biomedical Engineering(iCBBE 2009)(第三届生物信息与生物医学工程国际会议）论文集 . 2009

机译：动态磁化强度对比磁共振成像检测脑灌注的变化正常志愿者在正常呼吸和过度换气期间进行了检查
5. Quantitative musculoskeletal magnetic resonance imaging at 3.0T: Developing new techniques to detect morphological changes in human cartilage and bone in osteoarthritis and osteoporosis. [D] . Tameem, Hussain Zakiuddin. 2008

机译：3.0T时的定量肌肉骨骼磁共振成像：开发新技术以检测骨关节炎和骨质疏松症中人软骨和骨骼的形态变化。
6. Magnetic resonance diffusion weighted imaging: reproducibility of regional apparent diffusion coefficients for the normal fetal brain [O] . Andrew C. Boyer, Luis F. Gonçalves, Wesley Lee, -1

机译：磁共振扩散加权成像：正常胎儿脑的区域表观扩散系数的再现性
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Morphological regionalization using fetal magnetic resonance images of normal developing brains.

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