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Comparison of contrast-enhanced ultrasound (CEUS) imaging characteristics before and after the first three cycles of chemotherapy.
| Parameter | Enhanced mode | Homogeneity | Defect | |||
|---|---|---|---|---|---|---|
| Rapid bolus | Non-bolus | Yes | No | Yes | No | |
| Pre-treatment | 30 | 13 | 37 | 6 | 10 | 33 |
| In-treatment | 28 | 15 | 35 | 8 | 17 | 26 |
| χ2 value | 0.212 | 0.341 | 2.645 | |||
| P-value | 0.645 | 0.559 | 0.104 | |||
