Noncontrast Pediatric Brain Perfusion: Arterial Spin Labeling and Intravoxel Incoherent Motion

Area of Science:

• Radiology and Imaging
• Neuroscience
• Pediatric Imaging

Background:

• Noncontrast magnetic resonance imaging (MRI) techniques are crucial for assessing brain perfusion.
• Arterial Spin Labeling (ASL) and Intravoxel Incoherent Motion (IVIM) are key noninvasive methods.
• These techniques evaluate cerebral blood flow and volume without contrast agents.

Purpose of the Study:

• To discuss the technical aspects of ASL and IVIM.
• To highlight normal physiological variations, parameters, and artifacts.
• To present pediatric clinical applications of these imaging techniques.

Main Methods:

• Review of technical principles of ASL and IVIM.
• Focus on physiological variations and imaging parameters.
• Compilation of pediatric clinical use cases.

Main Results:

• ASL and IVIM provide noninvasive and repeatable brain perfusion measurements.
• Understanding technical parameters and artifacts is essential for accurate interpretation.
• These methods have broad applicability in pediatric neurology and neurosurgery.

Conclusions:

• ASL and IVIM are valuable noncontrast MRI tools for pediatric brain perfusion assessment.
• The techniques aid in diagnosing and monitoring various neurological conditions in children.
• Further understanding of technical nuances enhances clinical utility.