Related Experiment Videos
Quantification of myelin in children using multiparametric quantitative MRI: a pilot study
Hyun Gi Kim1, Won-Jin Moon2, JinJoo Han3
1Department of Radiology, Ajou University School of Medicine, Ajou University Medical Center, 164 World cup-ro, Yeongtong-gu, Suwon, 443-380, South Korea.
Neuroradiology
|August 3, 2017
Summary
Multiparametric quantitative MRI effectively maps childhood myelination patterns. This advanced imaging technique is a promising tool for studying pediatric brain development and its variations.
Area of Science:
- Neuroimaging
- Pediatric Neurology
- Developmental Neuroscience
Background:
- Myelination is a critical process in pediatric brain development.
- Accurate quantification of myelination is essential for understanding normal development and identifying abnormalities.
Purpose of the Study:
- To assess the utility of multiparametric quantitative MRI for quantifying myelination in children.
- To identify the most suitable developmental model for describing myelination patterns in pediatric brains.
Main Methods:
- 22 children (0-14 years) underwent multiparametric quantitative MRI.
- Myelin partial volume (Msum), its percentage in brain parenchyma (Mbpv), and intracranial volume (Micv) were calculated.
- Four developmental models (logarithmic, logistic, Gompertz, modified Gompertz) were fitted to the data.
Main Results:
- Myelin volumes varied significantly across participants and brain regions.
- The Gompertz model best represented overall myelination parameters (Msum, Mbpv, Micv).
- Specific models (Gompertz, logistic) showed excellent fit for different brain regions, indicating regional variations in developmental trajectories.
Conclusions:
- Multiparametric quantitative MRI accurately depicts normal myelination development in children.
- This imaging approach shows potential as a valuable tool for pediatric brain development research.
- The findings support the use of quantitative MRI for evaluating developmental changes in white matter.