Table 2.
SUVmax values for recurrent disease, radiation necrosis, and normal brain
| Recurrent disease (N = 11) | Tumor necrosis (N = 4) | Background (N = 15) | p value | |
|---|---|---|---|---|
| 5 m Lesion | 0.004 | |||
| Mean (SD) | 1.9 (0.6) | 0.8 (0.1) | 0.6 (0.2) | |
| Median (range) | 2.0 (1.1, 3.1) | 0.8 (0.7, 1.0) | 0.6 (0.4, 0.9) | |
| 5 min TBRmax | 0.121 | |||
| Mean (SD) | 3.0 (1.3) | 1.8 (0.2) | ||
| Median (range) | 2.6 (1.3, 5.3) | 1.8 (1.6, 2.2) | ||
| 10 min Lesion | 0.033 | |||
| Mean (SD) | 2.3 (1.2) | 0.9 (0.2) | 0.6 (0.2) | |
| Median (range) | 2.0 (1.4, 5.4) | 0.9 (0.7, 1.0) | 0.6 (0.4, 1.0) | |
| 10 min TBRmax | 0.129 | |||
| Mean (SD) | 3.4 (1.8) | 1.9 (0.5) | ||
| Median (range) | 3.1 (1.5, 7.8) | 1.8 (1.5, 2.6) | ||
| 30 min Lesion | 0.042 | |||
| Mean (SD) | 2.3 (1.1) | 1.1 (0.2) | 2.0 (1.1) | |
| Median (range) | 2.2 (1.4, 5.3) | 1.1 (0.8, 1.3) | 1.9 (0.8, 5.3) | |
| 30 min TBRmax | 0.178 | |||
| Mean (SD) | 3.6 (1.9) | 2.2 (0.6) | ||
| Median (range) | 3.2 (1.4, 7.7) | 2.3 (1.5, 2.8) | ||
| 55 min Lesion | 0.025 | |||
| Mean (SD) | 2.3 (0.9) | 1.1 (0.3) | 0.7 (0.2) | |
| Median (range) | 2.3 (1.3, 4.4) | 1.1 (0.8, 1.4) | 0.6 (0.2, 1.2) | |
| 55 min TBRmax | 0.304 | |||
| Mean (SD) | 3.3 (1.5) | 2.5 (0.9) | ||
| Median (range) | 3.2 (1.4, 5.7) | 2.5 (1.4, 3.5) |
*P value for each time point between mean SUVmax of malignant metastatic lesion and radiation necrosis