Abstract
To investigate the impact of a primary para-aortic lymphadenectomy (PAL) in locally advanced cervical cancer patients receiving definitive chemoradiation, we reviewed the clinical records of consecutive patients treated in our Institution and receiving an external beam irradiation followed with an image-guided adaptive brachytherapy for a locally advanced cervical cancer. We examined the impact of performing a primary PAL as part of primary staging for guiding irradiation fields in patients without extra-pelvic PET uptake. The outcome of patients presenting para-aortic lymph node uptake (PALNU) was also examined. 186 patients were identified. Median follow-up was 44.4 months. Patients receiving a primary PAL (PAL group) and those who received upfront pelvic chemoradiation (no-PAL group) did not significantly differ for loco-regional failures. Survival without distant failure (DFFS), including para-aortic relapses, was at 3 years 87 % (95 % CI 84–90 %) in PAL group, 67 % (95 % CI 59–85 %) in the no-PAL group and 44 % (95 % CI 32–66 %) in the PALNU group (p = 0.04 for comparison between PAL and no-PAL groups). In a multivariate model including para-aortic lymphadenectomy, pelvic nodal uptake and high-risk clinical target volume as adjustment variables, a para-aortic lymphadenectomy was significant for DFS (HR = 0.47, 95 % CI 0.26–0.84, p = 0.01). Although confounding factors could account for these retrospective results, a primary PAL with tailored irradiation fields based on para-aortic histological findings seems to be associated with a better control for distant metastases. A randomized trial is testing the benefit of this strategy.
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Chargari, C., Mazeron, R., Dunant, A. et al. Impact of primary para-aortic lymphadenectomy on distant failure in locally advanced cervical cancer patients treated in the era of image-guided adaptive brachytherapy. Clin Exp Metastasis 33, 775–785 (2016). https://doi.org/10.1007/s10585-016-9817-7
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DOI: https://doi.org/10.1007/s10585-016-9817-7