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PET Resolution & Detection limit
• Function of
intensity
of uptake and
size
• Modern cameras
and addition of
CT
improved resolution
• But:
PET is not a “microscopic imaging”
• Evidence from
benefit of RT in PET-ve
patients e.g.
– H10
– RAPID
– …. and how –ve or CMR is defined is important
• Microscopic disease
presence is probably a function of
residual soft tissue
(on CT)