Automatic Atlas-Based Segmentation of Brain White Matter in Neonates at Risk for Neurodevelopmental Disorders

Lucia Fonseca, C. van Pul, Nicolas Lori, R. van den Boom, P. Andriessen, J. Buijs, Anna Vilanova
Springer International Publishing, page 355-372 - 2017
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Very preterm infants, < 32 weeks gestation, are at high risk for brain injury. Cognitive deficits are often diagnosed at a later stage, since there are no available predictive biomarkers in the neonatal period. The maturation of specific white matter (WM) brain structures is considered a promising early-stage biomarker. With Diffusion Tensor Imaging (DTI ) tractography , an in vivo and non-invasive evaluation of these anatomical structures is possible. We developed an automatic tractography segmentation pipeline, which allows for maturation assessment of the different segmented WM structures. Our segmentation pipeline is atlas-based , specifically designed for premature neonates at term equivalent age. In order to better make use of global information from tractography , all processing is done in the fiber domain. Segmented fiber bundles are further automatically quantified with respect to volume and anisotropy. Of the 24 automatically segmented neonatal tractographies, only three contained more than 30% mislabeled fibers. Results show no dependency to WM pathology. By automatically segmenting WM, we reduced the user-dependency and bias characteristic of manual methods. This study assesses the structure of the neonatal brain based on an automatic WM segmentation in the fiber domain method using DTI tractography data.

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BibTex references

@InBook { FPLVABV17,
  author       = "Fonseca, Lucia and Pul, C. van and Lori, Nicolas and Boom, R. van den and Andriessen, P. and Buijs, J. and
                  Vilanova, Anna",
  title        = "Automatic Atlas-Based Segmentation of Brain White Matter in Neonates at Risk for Neurodevelopmental Disorders",
  chapter      = "10",
  pages        = "355-372",
  year         = "2017",
  publisher    = "Springer International Publishing",
  note         = "",
  url          = ""

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» Lucia Fonseca
» C. van Pul
» Nicolas Lori
» Anna Vilanova