TVD 2016

Respiration correlated FDG-PET/CT

Consequences for GTV delineation: I Stage I / SABR: ― Delineation on CT of all (8) phases of the respiratory cycle ― ITV generated on 3D-FDG-PET is NO surrogate!! A t ti ll t d 4D FDG PET id dditi ― u oma ca y segmen e - - I Advanced stage: ― Delineation of target volume on CT of 3 respiratory phases – i.e., 0%/50%/100% exspiration ― FDG-PET provides additional information e g Atelectasis , . . .

l i f may prov e a ona n orma on ti

Troost et al. , in preparation

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