Table 2: Parameters of the theoretical time-enhancement curves (TECs) for capillaries.
Parameters of the theoretical TECs for highly perfuse areas. If the TEC of a region matched this, the region was considered a vessel, and the estimates of each perfusion parameter were set to 0 during the vessel elimination process. A hematocrit correction factor of 1 was used.
Parameter |
Unit |
Min |
Max |
Step |
Number of items |
MTT |
s |
0.5 |
4.5 |
1 |
5 |
CBV |
ml/100 g |
20 |
100 |
20 |
5 |
Tracer delay |
s |
0 |
5 |
0.5 |
11 |
Base line |
HU |
-10 |
50 |
1 |
61 |