Table 3.
Analysis of CEUS features of suspicious thyroid nodules
| Benign* (68) | P/t | Malignant* (17) | P/t | Indeterminate* (11) | P/t | |
|---|---|---|---|---|---|---|
| Rise time (RT) | ||||||
| Fast | 30 | 0.077/0.098 | 2 | 0.031/0.045 | 4 | 0.691/0.793 |
| Slow | 38 | 15 | 7 | |||
| Time to peak (TP) | ||||||
| Fast | 29 | 0.061/0.136 | 2 | 0.006/0.013 | 4 | 0.929/0.753 |
| Slow | 39 | 15 | 7 | |||
| Wash in slope (WIS) | ||||||
| Fast | 35 | 0.876/0.265 | 7 | 0.507/0.567 | 7 | 0.130/0.107 |
| Slow | 33 | 10 | 4 | |||
| Mean transit time (MTT) | ||||||
| Fast | 30 | 0.299/0.622 | 9 | 0.381/0.098 | 2 | 0.063/0.067 |
| Slow | 38 | 8 | 9 | |||
| Time from peak to one half (TPH) | ||||||
| Fast | 33 | 0.035/0.002 | 2 | 0.149/0.105 | 4 | 0.477/0.184 |
| Slow | 35 | 15 | 7 | |||
| Peak intensity (PI) | ||||||
| Hypoenhancement | 49 | 0.000/0.000 | 15 | 0.007/0.007 | 4 | 0.328/0.371 |
| Hyperenhancement | 18 | 2 | 7 | |||
| Area under the curve (AUC) | ||||||
| Hypoenhancement | 49 | 0.000/0.000 | 13 | 0.007/0.009 | 3 | 0.248/0.230 |
| Hyperenhancement | 19 | 4 | 8 | |||
| Peaking time Echo Std (PES) | ||||||
| Homo-enhancement | 27 | 0.042/0.126 | 15 | 0.007/0.010 | 4 | 0.079/0.731 |
| Hetero-enhancement | 40 | 2 | 3 |
*
Values are expressed as number unless otherwise indicated.