Table 4. Response subgroups 1, 2, 3 and 4: criteria for subgrouping of individual lesions based on change in size and change in enhancement.
Response criteria for individual lesions | |
---|---|
Response subgroup 1 | ⩾30% reduction in size |
|
⩾50% reduction in nE |
Response subgroup 2 | <30% reduction in size, and <20% increase in size |
|
⩾50% reduction in nE |
Response subgroup 3 | <30% reduction in size, and <20% increase in size |
|
<50% reduction in nE |
Response subgroup 4 | ⩾20% increase in size |
<50% reduction in nE |
Abbreviation: nE=normalised mean enhancement.