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• Measures the mobility of water
– Apparent Diffusion
Coefficient (ADC)
• Tissue characterization
– high cellularity, tissue
disorganisation, high
extracellular space
tortuosity
• Monitoring treatment response
– vascular changes and
cellular death ↑ ADC
Hamstra J clin Oncol 2008
Diffusion-Weighted MRI (DWI)