Research Article

Changes in Tumor Stem Cell Markers and Epithelial-Mesenchymal Transition Markers in Nonluminal Breast Cancer after Neoadjuvant Chemotherapy and Their Correlation with Contrast-Enhanced Ultrasound

Table 3

Changes in CEUS quantitative indicators before and after NAC in 80 nonluminal breast cancer patients ().

GroupPeak intensity (dB)Area under the curve (dB/s)Arrival time (s)Rising slope (dB/s)Elimination slope (dB/s)Time to peak (s)Initial enhancement (dB)

Before NAC
After NAC
value3.1223.9363.4092.0161.6072.2080.866
P value0.0090.0020.0050.0540.1340.0450.393