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Table 1 EORTC 1999 Criteria for FDG response (abridged)

From: Radiopharmaceuticals in monitoring cancer

1 Assessment at baseline just before and response at 1–2 weeks after end of chemotherapy cycle
2 Progressive disease (PMD) FDG SUV >25% within tumour RO1 of baseline
3 Stable disease (SMD) FDG SUV <25% ≥15%
4 Partial response (PMR) FDG SUV decrease of 15–25% after one cycle of chemotherapy or decrease over 25% for more than one cycle
5 Complete response (CMR) FDG SUV shows complete resolution within the baseline tumour RO1
6 Patlak kinetic approach is preferred. Reproducibility of FDG SUV is required.
  1. FDG, 18F Fluorodeoxyglucose; SUV, Standard Uptake Value.