Molecular Imaging 2017

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Analysis of tumor heterogeneity
• N=18 HNC patients
• Examined with FDG PET and DW-MRI
• Voxel-based correlation of ADC values and FD uptake
• Comparison of ADC- and FDG-based volumes for
potential RT dose escalation
Houweling A et al. Radiother Oncol 2013;106(2):250-4.
ADC SUV
ADCmin ADCmax
SUV
max
SUV
min
High negative
Spearman
correlation,
High mutual
information