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. 2021 Jul 22;59:256–269. doi: 10.1016/j.breast.2021.07.015

Table 2.

Features of included studies: sentinel lymph node biopsy technique results.

Author (year) Technique of SLNB
Mean/median number of SLNs removed
BD (1) RI (2) Dual (1 + 2) CEUS (3) Dual (1 + 3)
[25] 15 19 116 0 0 2.60
[26] 0 94 0 0 0 1.60
[27] 0 Mixed 0 0 2.70
[16] 28 116 545 0 0 NR
[28] Mixed 0 0 2.00
[29] 0 64 0 0 0 1.70
[30] 30 0 0 0 0 NR
[31] Mixed 0 0 5.00
[5] 0 0 307 0 0 2.00
[32] 7 0 136 0 0 1.60
[33] 8 7 36 0 0 2.50
[34] 9 33 12 0 0 NR
[9] 0 0 89 0 0 7.00
[10] 7 389 164 0 0 2.70
[36] Mixed 0 0 NR
[35] 0 55 0 0 0 2.00
[11] 5 11 38 0 0 3.00
[37] 0 0 77 0 0 2.10
[39] 0 178 0 0 0 2.10
[38] Mixed 0 0 4.00
[40] 5 7 69 0 0 2.00
[41] 1 0 106 0 0 1.50
[42] 30 0 0 0 0 1.57
[43] 0 0 0 0 66 3.13
[44] 0 0 95 0 0 2.00
[45] 48 0 0 0 0 1.48
[47] 7 10 168 0 0 2.00

Abbreviations: BD, blue dye; RI, radioisotopes; CEUS, contrast-enhanced ultrasound; NR, not reported; SLNB, sentinel lymph node biopsy; SLNs, sentinel lymph nodes.