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The primary objective of this study was to elucidate the impact of sentinel lymph node (SLN) mapping and biopsy techniques on the clinical outcomes of women with early primary cervical cancer. All consecutive women with clinically determined stage I-IIA cervical cancer who underwent lymph node assessment with either SLN mapping or conventional pelvic/para-aortic lymphadenectomy were reviewed. Women in the SLN group (n = 33) had fewer total dissected pelvic nodes (8.3 ± 5.9 vs 17.4 ± 7.7, p < 0.001), less intraoperative blood loss (513 ± 332 vs 1228 ± 1170 mL, p < 0.001), a shorter length of hospital stay (7.1 ± 2.4 vs 10.2 ± 6.1 days, p = 0.004) than women in the conventional lymphadenectomy group (n = 74). The rates of recurrence-free survival (3-year: 87.6% vs 82.9%) and overall survival (3-year: 100% vs 91.0%) did not differ between the SLN group and the conventional lymphadenectomy group ( p = 0.846 and p = 0.254, respectively). SLN biopsy does not seem to be associated with an inferior survival outcome compared with conventional lymphadenectomy in women with early primary cervical cancer. In addition, it is associated with less blood loss and a shorter length of hospital stay.
Ting et al. (Tue,) studied this question.