Relative peak height and percentage of signal recovery in peritumoral nonenhancing lesion region
| Tumor | Maximum Peak Height | Average Peak Height | Minimum Percentage of Signal Recovery | Average Percentage of Signal Recovery |
|---|---|---|---|---|
| GBM (n = 27) | 5.5 (3.1) | 1.1 (0.8) | 46.8 (26.6) | 82.8 (3.9) |
| Metastasis (n = 16) | 3.9 (2.4) | 0.9 (0.3) | 33.1 (21.5) | 78.4 (12.8) |
| Wilcoxon P value | .13 | .04 | .02 | .02 |
Note:—Data are median values. Numbers in parentheses are interquartile range.