Table 2.
The average values of CT perfusion parameters for different pathological entities of the parotid gland
| Pathological entities | BV (ml 100 g−1) | BF (ml 100 g−1 min−1) | MTT (s) | PS (ml 100 g−1 min−1) |
|---|---|---|---|---|
| Pleomorphic adenomas | 2.8 ± 1.3a | 44.5 ± 25.1a | 6.4 ± 3.2 | 13.0 ± 6.2a |
| Warthin tumours | 10.3 ± 4.5b | 218.5 ± 148.4b | 4.3 ± 2.1 | 17.3 ± 8.6 |
| Basal cell adenomas | 10.4 ± 3.1c | 221.2 ± 84.4c | 3.8 ± 2.6 | 34.1 ± 9.5d |
| Malignant lesions | 5.5 ± 3.0 | 96.3 ± 59.3 | 5.4 ± 3.0 | 24.6 ± 10.3 |
BF, blood flow; BV, blood volume; MTT, mean transit time; PS, permeability surface.
a
Differences between pleomorphic adenomas and malignant tumours in BF, BV and PS (p < 0.05).
b
Differences between Warthin tumours and malignant tumours in BF and BV (p < 0.05).
c
Differences between basal cell adenomas and malignant tumours in BF and BV (p < 0.05).
d
Differences in PS between basal cell adenomas and malignant tumours (p < 0.01).