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Updated: May 3, 2026
A Versatile Murine Model of Subcortical White Matter Stroke for the Study of Axonal Degeneration and White Matter Neurobiology
Published on: March 17, 2016
Neuroimaging of white matter injury, intraventricular and cerebellar hemorrhage
Manon J N L Benders1, Karina J Kersbergen1, Linda S de Vries1
1Department of Neonatology, Wilhelmina Children's Hospital, University Medical Center Utrecht, KE 04.123.1, PO Box 85090, Utrecht 3508 AB, The Netherlands.
Abstract:
White matter injury and hemorrhage are common findings in extremely preterm infants. Large hemorrhages and extensive cystic lesions are identified with cranial ultrasound. MRI, which is more sensitive, is especially useful in the identification of small intraventricular hemorrhage; cerebellar hemorrhage; punctate lesion in the white matter and cerebellum; and diffuse, noncystic white matter injury. Imaging sequences such as diffusion-weighted, diffusion tensor, and susceptibility weighted imaging may improve recognition and prediction of outcome. These techniques improve understanding of the underlying pathophysiology of white matter injury and its effects on brain development and neurodevelopmental outcome.
Insights
White matter injury and hemorrhage are common in extremely preterm infants. Advanced MRI techniques enhance the detection and understanding of these brain injuries, aiding in predicting neurodevelopmental outcomes.
Area of Science:
- Neonatal neurology
- Pediatric neuroimaging
Background:
- White matter injury and hemorrhage are prevalent complications in extremely preterm infants.
- Cranial ultrasound can detect large hemorrhages and cystic lesions.
- Magnetic Resonance Imaging (MRI) offers superior sensitivity for subtle brain abnormalities.
Purpose of the Study:
- To highlight the advanced imaging techniques for diagnosing white matter injury in preterm neonates.
- To emphasize the role of MRI in identifying specific types of brain lesions.
- To explore the potential of novel MRI sequences in predicting neurodevelopmental outcomes.
Main Methods:
- Utilizing cranial ultrasound for initial detection of gross brain abnormalities.
- Employing advanced MRI sequences, including diffusion-weighted imaging (DWI), diffusion tensor imaging (DTI), and susceptibility-weighted imaging (SWI).
- Correlating imaging findings with understanding of pathophysiology and neurodevelopmental assessment.
Main Results:
- MRI is more sensitive than ultrasound for detecting small intraventricular hemorrhage, cerebellar hemorrhage, punctate white matter lesions, and diffuse non-cystic white matter injury.
- Advanced imaging sequences like DWI, DTI, and SWI show promise in improving the recognition and prediction of outcomes.
- These techniques provide deeper insights into the pathophysiology of white matter injury.
Conclusions:
- Advanced MRI, particularly with specialized sequences, is crucial for comprehensive assessment of brain injury in preterm infants.
- Improved detection and understanding of white matter injury through MRI can lead to better prediction of neurodevelopmental outcomes.
- Further research utilizing these advanced techniques is warranted to optimize care and interventions for affected infants.
