Reference Tracer Used Injection Location No. of SLNs identified by tracer or dye Outcome Follow-up (months)
Lee, 2014(19) Blue dye Peri-tumoral 7 NED 3
Nardello, 2015(7) Blue dye NR 3 NED 6
Patel, 2015(8) Tc-99m and blue dye Peri-areolar Tc-99m and peri-tumoral blue dye 2 NED 2
NR NED 66
1 NED 56
Shuster, 2015(9) NR NR NR NED 18
Alavifard, 2016(10) Tc-99m Edges of surgical scar 1 NR NR
Munrós, 2017(11) Tc-99m and blue dye NR 1 NR NR
Kuritzky, 2018(12) Tc-99m NR 4 NR NR
Jalali, 2019(4) Tc-99m and blue dye NR 5 NED 18
Khan, 2019(13) Tc-99m NR 3 NED 24
Piacentini, 2019(14) NR NR 1 NED 24
Uenaka, 2019(15) Tc-99m and blue dye Peri-areolar 0 NR NR
Rodrigues, 2020(16) NR NR 2 NED 12
Tsuji, 2020(17) NR NR NR NED§ 84
Addae, 2021(18) Blue dye NR NR NED 1