Table 2.
Comparison of biopsy success rate between US and CEUS groups
| US group (n=45) | CEUS group (n=45) | P | |
|---|---|---|---|
| Internal necrosis | |||
| Number, n (%) | 21 (46.7) | 40 (88.9) | 0.041 |
| Size (mm)* | 17.1±14.9 | 29.6±17.3 | 0.039 |
|
| |||
| Display of large vessels, n (%) | 15 (33.3) | 37 (82.2) | 0.030 |
|
| |||
| Display of internal mammary arteries, n (%) | 2 (4.4) | 31 (68.9) | 0.021 |
|
| |||
| Number of puncture attempts* | 2.65±0.45 | 2.02±0.05 | 0.041 |
|
| |||
| Biopsy success, n (%) | 43 (95.5) | 45 (100) | 0.045 |
US, conventional ultrasonography; CEUS, contrast-enhanced ultrasonography.
*
Data are presented as mean±standard deviation.