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Radiomic white matter parameters of functional integrity of the corticospinal tract in high-grade glioma
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Radiomic white matter parameters of functional integrity of the corticospinal tract in high-grade glioma
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Journal Article
Radiomic white matter parameters of functional integrity of the corticospinal tract in high-grade glioma
2024
Overview
Tractography has become a widely available tool for the planning of neurosurgical operations as well as for neuroscientific research. The absence of patient interaction makes it easily applicable. However, it leaves uncertainty about the functional relevance of the identified bundles. We retrospectively analyzed the correlation of white matter markers with their clinical function in 24 right-handed patients who underwent first surgery for high-grade glioma. Morphological affection of the corticospinal tract (CST) and grade of paresis were assessed before surgery. Tractography was performed manually with MRTrix3 and automatically with TractSeg. Median and mean fractional anisotropy (FA) from manual tractography showed a significant correlation with CST affection (p = 0.008) and paresis (p = 0.015, p = 0.026). CST affection correlated further most with energy, and surface-volume ratio (p = 0.014) from radiomic analysis. Paresis correlated most with maximum 2D column diameter (p = 0.005), minor axis length (p = 0.006), and kurtosis (p = 0.008) from radiomic analysis. Streamline count yielded no significant correlations. In conclusion, mean or median FA can be used for the assessment of CST integrity in high-grade glioma. Also, several radiomic parameters are suited to describe tract integrity and may be used to quantitatively analyze white matter in the future.
Publisher
Nature Publishing Group UK,Nature Publishing Group,Nature Portfolio
Subject
/ Adult
/ Aged
/ Brain Neoplasms - diagnostic imaging
/ Diffusion Tensor Imaging - methods
/ Female
/ Glioma
/ Humanities and Social Sciences
/ Humans
/ Male
/ Paresis
/ Paresis - diagnostic imaging
/ Patients
/ Pyramidal Tracts - diagnostic imaging
/ Pyramidal Tracts - pathology
/ Science
