Molecular Imaging 2017

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Supporting study #1

112 patients with (chemo)radiation for a N2 headneck tumor FDG-PET/CT scan 3 months after CRT Only FDG-positive necks received node dissection All others wait-and-see Average follow-up 2,5 years

Results 50 patients with residual nodes on CT 9 positive on PET:

PPV = 22% NPV = 100%

41 negative on PET:

Results of a prospective study of positron emission tomography-directed management of residual nodal abnormalities in node-positive head and neck cancer after definitive radiotherapy with or without systemic therapy. Porceddu SV et al., Head Neck 2011. (Aus)