SUV90 | SUV90-to-background ratio | |||||||||
---|---|---|---|---|---|---|---|---|---|---|
Parameter | Frame 12 (5–10 min) | Frame 13 (10–15 min) | Frame 14 (15–20 min) | Frame 15 (20–30 min) | Frame 16 (30–40 min) | Frame 12 (5–10 min) | Frame 13 (10–15 min) | Frame 14 (15–20 min) | Frame 15 (20–30 min) | Frame 16 (30–40 min) |
No recurrence (n = 4) | 1.69 ± 0.42 | 1.83 ± 0.49 | 1.97 ± 0.49 | 2.13 ± 0.56 | 2.25 ± 0.58 | 1.66 ± 0.26 | 1.80 ± 0.35 | 1.94 ± 0.27 | 2.09 ± 0.38 | 2.22 ± 0.44 |
Histologic type | ||||||||||
Astrocytoma, WHO II (n = 13) | 2.12 ± 0.67 | 2.38 ± 0.74 | 2.58 ± 0.86 | 2.70 ± 0.71 | 2.84 ± 0.76 | 1.88 ± 0.58 | 2.10 ± 0.64 | 2.27 ± 0.73 | 2.39 ± 0.57 | 2.51 ± 0.61 |
Anaplastic astrocytoma, WHO III (n = 9 + 1)* | 2.69 ± 0.75 | 3.01 ± 0.89 | 2.99 ± 1.05 | 2.97 ± 0.97 | 2.85 ± 0.91 | 2.42 ± 0.38 | 2.69 ± 0.37 | 2.66 ± 0.48 | 2.64 ± 0.41 | 2.53 ± 0.38 |
Glioblastoma multiforme, WHO IV (n = 15 + 1)* | 2.75 ± 0.62 | 3.04 ± 0.73 | 3.03 ± 0.74 | 2.97 ± 0.78 | 2.89 ± 0.81 | 2.63 ± 0.62 | 2.87 ± 0.60 | 2.85 ± 0.53 | 2.79 ± 0.52 | 2.69 ± 0.48 |
All astrocytoma, WHO III/IV (n = 24 + 2)* | 2.73 ± 0.66 | 3.03 ± 0.78 | 3.02 ± 0.85 | 2.97 ± 0.84 | 2.87 ± 0.83 | 2.55 ± 0.54 | 2.80 ± 0.53 | 2.78 ± 0.51 | 2.73 ± 0.47 | 2.63 ± 0.44 |
Oligoastrocytoma, WHO II (n = 3) | 2.78 ± 1.03 | 3.23 ± 1.07 | 3.45 ± 1.12 | 3.53 ± 1.26 | 3.63 ± 1.23 | 2.39 ± 0.76 | 2.78 ± 0.78 | 2.97 ± 0.85 | 3.02 ± 0.90 | 3.11 ± 0.85 |
Oligoastrocytoma, WHO III (n = 1) | 3.80 | 3.35 | 3.09 | 2.89 | 2.65 | 4.20 | 3.70 | 3.42 | 3.19 | 2.93 |
All WHO II (n = 16) | 2.25 ± 0.76 | 2.54 ± 0.84 | 2.74 ± 0.94 | 2.86 ± 0.85 | 2.99 ± 0.87 | 1.97 ± 0.62 | 2.23 ± 0.69 | 2.40 ± 0.78 | 2.51 ± 0.66 | 2.62 ± 0.67 |
All WHO III/IV (n = 25 + 2) | 2.77 ± 0.67 | 3.04 ± 0.77 | 3.02 ± 0.84 | 2.97 ± 0.82 | 2.86 ± 0.82 | 2.61 ± 0.62 | 2.83 ± 0.54 | 2.80 ± 0.51 | 2.75 ± 0.47 | 2.64 ± 0.44 |
P | ||||||||||
No recurrence vs. recurrence | 0.007 | 0.008 | 0.010 | 0.027 | 0.050 | 0.001 | 0.004 | 0.002 | 0.024 | 0.075 |
No recurrence vs. low-grade astrocytomas | 0.045 | 0.036 | 0.031 | 0.041 | 0.043 | 0.089 | 0.072 | 0.050 | 0.076 | 0.101 |
No recurrence vs. low-grade tumors | 0.040 | 0.029 | 0.025 | 0.038 | 0.040 | 0.075 | 0.055 | 0.033 | 0.067 | 0.093 |
Low- vs. high-grade astrocytomas | 0.007 | 0.009 | 0.073 | 0.151 | 0.459 | 0.001 | 0.001 | 0.019 | 0.038 | 0.261 |
All low- vs. high-grade tumors | 0.016 | 0.031 | 0.167 | 0.339 | 0.319 | 0.001 | 0.003 | 0.041 | 0.106 | 0.454 |
↵* Added numbers reflect second biopsy in same patient.