Ultrasound-guided dual-localization for axillary nodes before and after neoadjuvant chemotherapy with clip and activated charcoal in breast cancer patients: a feasibility study

Table 4 Sensitivities of sentinel, clipped, and tattooed node biopsy

Sensitivity of Node Biopsy	All	cN1	cN2	cN3	P value
Sentinel^a	73% (11/15)	100% (10/10)	33% (1/3)	0% (0/2)	<.001
Clipped	67% (10/15)	80% (8/10)	67% (2/3)	0% (0/2)	.042
Tattooed	67% (10/15)	80% (8/10)	67% (2/3)	0% (0/2)	.042
Sentinel plus Clipped	80% (12/15)	100% (10/10)	67% (2/3)	0% (0/2)	.001
Sentinel plus Tattooed	80% (12/15)	100% (10/10)	67% (2/3)	0% (0/2)	.001
Sentinel plus Clipped plus Tattooed	80% (12/15)	100% (10/10)	67% (2/3)	0% (0/2)	.001

^aSentinel nodes were narrowly defined as radioactive nodes and/or nodes containing blue dye

ISSN: 1471-2407