Table 1 Overview of perfusion parameters and quality of fit parameters (stated in mean ± standard deviation) for the two compartment exchange and uptake model compared to the results of the fast deconvolution approach.
From: Comparison of perfusion models for quantitative T1 weighted DCE-MRI of rectal cancer
Perfusion Parameter - Mean values of tumor tissue and (healthy tissue) | 2CX | 2CU | FD |
|---|---|---|---|
PF [ml/100 ml/min] | 68 ± 44 | 55 ± 36 | 36 ± 19 |
(37 ± 19) | (34 ± 16) | (27 ± 11) | |
PV [ml/100 ml] | 18 ± 11 | 22 ± 12 | 31 ± 15 |
(11 ± 4) | (11 ± 5) | (19 ± 7) | |
MTT [s] | 16 ± 9 | 25 ± 13 | 58 ± 16 |
(16 ± 5) | (20 ± 6) | (46 ± 16) | |
AIC | 169 ± 81 | 179 ± 77 | — |
\({{\boldsymbol{\chi }}}^{2}\) | 10 ± 12 | 9 ± 10 | — |
T2 (3 patients) | |||
PF [ml/100 ml/min] | 41 ± 16 | 33 ± 5 | 34 ± 12 |
PV [ml/100 ml] | 25 ± 9 | 31 ± 7 | 33 ± 6 |
MTT [s] | 25 ± 13 | 38 ± 11 | 67 ± 18 |
T3 (13 patients) | |||
PF [ml/100 ml/min] | 76 ± 47 | 61 ± 38 | 37 ± 21 |
PV [ml/100 ml] | 16 ± 11 | 20 ± 12 | 31 ± 17 |
MTT [s] | 13 ± 6 | 22 ± 11 | 55 ± 15 |
T4 (1 patient) | |||
PF [ml/100 ml/min] | 34 | 33 | 27 |
PV [ml/100 ml] | 17 | 17 | 26 |
MTT [s] | 27 | 29 | 59 |
