Dynamic contrast-enhanced imaging techniques: CT and MRI

Area of Science:

• Neuroimaging
• Cerebrovascular Research
• Medical Imaging

Background:

• Significant research has focused on quantifying cerebral microvasculature over recent decades.
• Imaging techniques are vital for studying the human brain and pathologies such as cerebral tumors.
• This field is essential for understanding brain health and disease progression.

Purpose of the Study:

• To review key issues in quantifying cerebral microvasculature using advanced imaging techniques.
• To highlight the applications of dynamic contrast-enhanced CT, dynamic contrast-enhanced MRI, and arterial spin labeling.
• To provide a foundational overview for related studies in this special issue.

Main Methods:

• Review of existing literature on cerebral microvasculature quantification.
• Focus on dynamic contrast-enhanced computed tomography (CECT).
• Focus on dynamic contrast-enhanced magnetic resonance imaging (CEMRI).
• Focus on arterial spin labeling (ASL) techniques.

Main Results:

• Identified key challenges and considerations in applying CECT, CEMRI, and ASL for microvasculature quantification.
• Discussed the utility and limitations of each technique in different research contexts.
• Highlighted the importance of accurate microvasculature assessment for clinical applications.

Conclusions:

• Accurate quantification of cerebral microvasculature is essential for advancing neuroscience and clinical diagnostics.
• Dynamic contrast-enhanced imaging and ASL are powerful tools, each with specific strengths and weaknesses.
• Further research and methodological refinement are needed to optimize these techniques for clinical use.