Cited by 119Fetal and Pediatric Neurological DisordersMedical Image Segmentation TechniquesAdvanced MRI Techniques and Applications

Growth trajectories of the human fetal brain tissues estimated from 3D reconstructed in utero MRI

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Scott, Julia A., Habas, Piotr A., Kim, Kio, Rajagopalan, Vidya, Hamzelou, Kia S., Corbett‐Detig, James M., Barkovich, A. James, Glenn, Orit A. +1 more·2011·International Journal of Developmental Neuroscience

Abstract

In the latter half of gestation (20–40 gestational weeks), human brain growth accelerates in conjunction with cortical folding and the deceleration of ventricular zone progenitor cell proliferation. These processes are reflected in changes in the volume of respective fetal tissue zones. Thus far, growth trajectories of the fetal tissue zones have been extracted primarily from 2D measurements on histological sections and magnetic resonance imaging (MRI). In this study, the volumes of major fetal zones—cortical plate (CP), subplate and intermediate zone (SP + IZ), germinal matrix (GMAT), deep gray nuclei (DG), and ventricles (VENT)—are calculated from automatic segmentation of motion‐corrected, 3D reconstructed MRI. We analyzed 48 T2‐weighted MRI scans from 39 normally developing fetuses in utero between 20.57 and 31.14 gestational weeks (GW). The supratentorial volume (STV) increased linearly at a rate of 15.22% per week. The SP + IZ (14.75% per week) and DG (15.56% per week) volumes increased at similar rates. The CP increased at a greater relative rate (18.00% per week), while the VENT (9.18% per week) changed more slowly. Therefore, CP increased as a fraction of STV and the VENT fraction declined. The total GMAT volume slightly increased then decreased after 25 GW. We did not detect volumetric sexual dimorphisms or total hemispheric volume asymmetries, which may emerge later in gestation. Further application of the automated fetal brain segmentation to later gestational ages will bridge the gap between volumetric studies of premature brain development and normal brain development in utero.

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Crossref · 10.1016/j.ijdevneu.2011.04.001

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  1. Bayer SA Altman J 2005 The human brain during the second trimester (Atlas of the human central nervous system development) CRC Press New York

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Authors
Scott, J. A., Habas, P. A., Kim, K., Rajagopalan, V., Hamzelou, K. S., Corbett‐Detig, J. M., Barkovich, A. J., Glenn, O. A., & Studholme, C.
Affiliations
  • University of California, San Francisco (US)
  • Biomedical Image Computing Group Department of Radiology and Biomedical Imaging University of California San Francisco San Francisco CA USA
Corresponding author
Scott, Julia A.
Venue
International Journal of Developmental Neuroscience
Publisher
Wiley
Published
2011-04-17
Volume
29
Issue
5
Pages
529-536
ISSN
  • 0736-5748 (ISSN-L)
  • 1873-474X
OpenAlex
W2016246137
Cited by
119
References
53
Citations by year
2026: 8 · 2025: 10 · 2024: 7 · 2023: 4 · 2022: 5 · 2021: 13 · 2020: 14 · 2019: 9 · 2018: 5 · 2017: 9 · 2016: 7 · 2015: 10 · 2014: 7 · 2013: 5 · 2012: 3
FWCI
5.30
Type
journal article
Language
en
Open access
Locations
  • International Journal of Developmental Neuroscience (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institute of Neurological Disorders and Stroke (R01 NS 061957, R01 NS 055064)
  • National Center for Research Resources (UL1 RR024131)
Topics
  • Health Sciences › Medicine › Pediatrics, Perinatology and Child Health › Fetal and Pediatric Neurological Disorders
  • Physical Sciences › Computer Science › Computer Vision and Pattern Recognition › Medical Image Segmentation Techniques
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced MRI Techniques and Applications
Keywords
fetal brain development, growth trajectories, in utero MRI, 3D MRI reconstruction, fetal brain segmentation, cortical plate, germinal matrix, ventricles, gestational age, sexual dimorphism, hemispheric lateralization, brain development
MeSH terms
Brain, Female, Fetus, Gestational Age, Humans, Magnetic Resonance Imaging, Pregnancy, Imaging, Three-Dimensional

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