PET > PET tumor imaging > Head and Neck Tumors

Hopkins Criteria Five Point Post Therapy Assessment Scoring System:

Score
FDG Uptake Pattern
Response
1
 Uptake in lesion and nodes less than IJV
Complete metabolic response
2
 Focal uptake above IJV, but less than liver
Likely complete response
3
 Diffuse uptake at primary site or nodes greater than IJV or liver
Likely post XRT inflammation
4
 Focal uptake at primary or nodes above liver
Likely residual tumor
5
 Focal and intense uptake at primary or in nodes
Positive residual tumor

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