Table 2

Sentinel lymph node detection modalities

Number of patients
(total=160)
Number of at-risk groins
(total=265)
P value
SLN modalityTC-99 alone2 (1.3%)2 (0.8%)<0.001
Blue dye alone2 (1.3%)3 (1.1%)
ICG alone18 (11.3%)27 (10.2%)
TC-99+blue dye71 (44.4%)110 (41.5%)
TC-99+ICG51 (31.9%)96 (36.2%)
TC-99+blue dye+ICG14 (8.8%)25 (9.4%)
ICG+blue dye2 (1.3%)3 (1.1%)
SLN detection rateTC-99 alone2 (100%)0.134
Blue dye alone3 (100%)
ICG alone26 (96.3%)
TC-99+blue dye101 (91.8%)
TC-99+ICG96 (100%)
TC-99+blue dye+ICG24 (96%)
ICG+blue dye3 (100%)
  • ICG, indocyanine green; SLN, sentinel lymph node; TC-99, technetium-99.