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International Journal of Gynecological Cancer:
doi: 10.1097/IGC.0000000000000043
Cervical Cancer

Pelvic Lymphadenectomy Improves Survival in Patients With Cervical Cancer With Low-Volume Disease in the Sentinel Node: A Retrospective Multicenter Cohort Study

Zaal, Afra MD*; Zweemer, Ronald P. MD, PhD*; Zikán, Michal MD, PhD; Dusek, Ladislav MD, PhD; Querleu, Denis MD, PhD§; Lécuru, Fabrice MD, PhD; Bats, Anne-Sophie MD, PhD; Jach, Robert MD; Sevcik, Libor MD#; Graf, Petar MD, PhD#; Klát, Jaroslav MD#; Dyduch, Grzegorz MD, PhD; von Mensdorff-Pouilly, Silvia MD, PhD**; Kenter, Gemma G. MD, PhD**; Verheijen, René H.M. MD, PhD*; Cibula, David MD, PhD

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Abstract

Objective

In this study, we aimed to describe the value of pelvic lymph node dissection (LND) after sentinel lymph node (SN) biopsy in early-stage cervical cancer.

Methods

We performed a retrospective multicenter cohort study in 8 gynecological oncology departments. In total, 645 women with International Federation of Gynecology and Obstetrics stage IA to IIB cervical cancer of squamous, adeno, or adenosquamous histologic type who underwent SN biopsy followed by pelvic LND were enrolled in this study. Radioisotope tracers and blue dye were used to localize the sentinel node, and pathologic ultrastaging was performed.

Results

Among the patients with low-volume disease (micrometastases and isolated tumor cells) in the sentinel node, the overall survival was significantly better (P = 0.046) if more than 16 non-SNs were removed. No such significant difference in survival was detected in patients with negative or macrometastatic sentinel nodes.

Conclusions

Our findings indicate that in patients with negative or macrometastatic disease in the sentinel nodes, an additional LND did not alter survival. Conversely, our data suggest that the survival of patients with low-volume disease is improved when more than 16 additional lymph nodes are removed. If in a prospective trial our data are confirmed, we would suggest a 2-stage operation.

Copyright © 2014 by IGCS and ESGO

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