The value of contrast‐enhanced ultrasound in determining the location of sentinel lymph nodes in breast cancer

Cancer Imaging

Table 3 The classification of SLNs according to CEUS and Methylene blue (MB)

Classification	Number of cases	Number of positive cases	Number of negative cases
^aCEUS⁺/^bMB⁺	351	61	290
CEUS⁺/^dMB⁻	22	9	13
^cCEUS⁻/MB⁺	8	0	8
CEUS⁻/MB⁻	9	8	1
Total	390	78	312

^a enhanced SLNs were observed by CEUS^b Blue-stained SLNs were observed by MB^c enhanced SLNs were not observed by CEUS^d Blue-stained SLNs were not observed by MB

ISSN: 1470-7330