Table 3.
Influence of histologic grading on perfusion parameters
| BF | BV | k-trans | ||||
|---|---|---|---|---|---|---|
| Grading | Max.slope (BFMS) (ml/min/100 g) | Deconvolution (BFD) (ml/min/100 g) | Patlak (BVP) (ml/100 g) | Deconvolution (BVD) (ml/100 g) | Patlak (k-transP) (ml/min/100 g) | Deconvolution (k-transD) (ml/min/100 g) |
| G1 (n = 4) | 20.6 ± 8.6 | 33.5 ± 10.3 | 8.9 ± 11.3 | 6.4 ± 1.3 | 19.3 ± 4.5 | 11.5 ± 6.4 |
| G2 (n = 24) | 21.9 ± 10.4 | 37.7 ± 16.6 | 5.5 ± 4.5 | 7.9 ± 5.0 | 21.0 ± 10.2 | 13.7 ± 8.8 |
| G3 (n = 14) | 19.1 ± 8.4 | 35.6 ± 13.9 | 3.9 ± 2.4 | 6.1 ± 3.9 | 17.4 ± 8.7 | 11.9 ± 7.4 |
| p-value (ANOVA) | 0.71 | 0.94 | 0.42 | 0.68 | 0.55 | 0.71 |
Influence of histologic grading on perfusion parameters in n = 42 patients with histologic grading available
Abbreviations: BF blood flow, BV blood volume, G1-3 tumor grading