Lugano response criteria based on the 5-point Deauville scale
| Deauville score . | Definition . |
|---|---|
| 1 | No uptake |
| 2 | Uptake ≤ mediastinum |
| 3 | Uptake > mediastinum but ≤ liver |
| 4 | Uptake moderately higher than liver |
| 5 | Uptake markedly higher than liver and/or new lesions* |
| X | New areas of uptake unlikely to be related to lymphoma |
| Deauville score . | Definition . |
|---|---|
| 1 | No uptake |
| 2 | Uptake ≤ mediastinum |
| 3 | Uptake > mediastinum but ≤ liver |
| 4 | Uptake moderately higher than liver |
| 5 | Uptake markedly higher than liver and/or new lesions* |
| X | New areas of uptake unlikely to be related to lymphoma |
Score of 4 assigned to FDG uptake > liver, and score of 5 to uptake 2 or 3 times higher than liver (according to research group) or the presence of new lesions.