Table 3.
Transfer constant (Ktrans) values for each arterial input function (AIF) at baseline and after two cycles of neoadjuvant chemotherapy (mean of patient median Ktrans)
| AIF | Ktrans baseline mean | Ktrans post-chemotherapy mean | Change in Ktrans mean (%) |
|---|---|---|---|
| Weinmann | 1.068 | 0.342 | 0.725 (−68) |
| Biexponential Parker | 0.13 | 0.07 | 0.06 (−46.2) |
| Modified Fritz-Hansen | 0.241 | 0.117 | 0.124 (−51.5) |
| Fritz-Hansen | 0.333 | 0.175 | 0.157 (−47.4) |
| Femoral artery | 0.170 | 0.095 | 0.075 (−44.1) |
| Cosine bolus Parker | 0.115 | 0.066 | 0.048 (−42.6) |