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The best cutoff values and diagnostic accuracy for distinguishing glioma recurrence from RN
| Index | Cutoff value | Sensitivity (%) | Specificity (%) |
|---|---|---|---|
| MET L/N | > 2.51 | 91.2 | 87.5 |
| CHO L/N | > 8.92 | 73.5 | 87.5 |
| FDG L/N | > 1.26 | 76.5 | 75.0 |
CHO: 11C-choline, FDG: 18F-fluorodeoxyglucose, MET: 11C-methionine, L/N: lesion/normal brain uptake, RN: radiation necrosis.
