Table 4.

Summary of ultrasound radiomics studies in predicting response of NAC.

Study	Task	Data size	Imaging data	Radiomics results
Quiaoit et al. (65) 2020	Predicting the response to NAC before surgery	59 patients	2D-US	AUC: 0.870
DiCenzo et al. (66) 2020	Predicting the response to NAC before treatment	82 patients	2D-US	ACC: 0.870
Sannachi et al. (67) 2019	Predicting the response to NAC	100 patients	2D-US	ACC: 0.780 at 1 week after the start of treatment ACC: 0.900 at 4 weeks after the start of treatment ACC: 0.920 at 8 week after the start of treatment
Jiang et al. (68) 2021	Predicting the response to NAC before surgery	592 patients	2D-US	AUC: 0.940
Byra et al. (69) 2021	Predicting the response to NAC	38 patients	2D-US	AUC: 0.844 (Pre NAC) AUC: 0.827 (after first course of NAC) AUC: 0.828 (after second course of NAC)
Gu et al. (70) 2021	Predicting the response to NAC	168 patients	2D-US	AUC: 0.812 (after second course of NAC) AUC: 0.937 (after fourth course of NAC)

NAC: neoadjuvant chemotherapy; US, ultrasound; AUC, area under the curve; ACC, accuracy.