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Sentinel lymph node procedure followed by laparoscopic pelvic and paraaortic lymphadenectomy in women with IB2-II cervical cancer

¹ Service de Gyné cologie-Obsté trique, Hôpital Tenon, Assistance Publique des Hôpitaux de Paris, CancerEst, UniversitéPierre et Marie Curie, Paris VI, France
² Service de Gyné cologie-Obsté trique, Hôpital Tenon, 4 rue de la Chine, 75020, Paris, France

Correspondence: Address correspondence and reprint requests to: Emile Daraï , MD, PhD; E-mail: emile.darai{at}tnn.aphp.fr

Objective: To evaluate the contribution of the sentinel node (SN) procedure followed by pelvic and paraaortic lymphadenectomy to determine lymph node status in women with locally advanced cervical cancer.

Patients and methods: A total of 21 women with locally advanced cervical cancer underwent a first laparoscopic SN procedure and pelvic and paraaortic lymphadenectomy followed by concurrent chemoradiotherapy (CCR). Laparoscopic radical hysterectomy was performed after CCR when the pelvic and paraaortic nodes were not involved.

Results: SNs were detected by means of lymphoscintigraphy in 10 women (47.6%) and intra-operatively in 14 women (66.6%). Of the latter 14 patients, 9 (64%) had an involved SN and 1 of the remaining 5 had pelvic non-SN metastases. The SN false-negative rate was 10%. At final histology, 13 of the 21 women (62%) had lymph node metastases. The total number of recovered pelvic non-SNs was 262, and 10 nodes in 8 women were involved. The total number of paraaortic non-SNs was 255, and 2 nodes in 2 women were involved.

Conclusion: This study shows the poor correlation between pre-operative lymphoscintigraphy and surgical SN mapping in women with locally advanced cervical cancer. A high proportion of women had SN metastases, underlining the importance of multiple sectioning and immunohistochemical staining of SNs.