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Published on: August 19, 2021
Para-aortic lymph node recurrence in surgically treated early-stage cervical cancer without para-aortic lymph node
Tullio Golia D'Augè1, Giuseppe Caruso1,2, Maria Elena Laudani1,3
1Department of Gynecologic Oncology, European Institute of Oncology, IEO, IRCCS, Milan, Italy.
Objective:
The standard treatment for early-stage cervical cancer includes radical hysterectomy with pelvic lymph node staging ± bilateral salpingo-oophorectomy. Para-aortic lymphadenectomy may be considered; however, its role remains controversial. The objective of this study was to assess the para-aortic lymph node recurrence rate in patients undergoing surgery for apparent early-stage cervical cancer without para-aortic lymph node surgical staging.
Methods:
This is a retrospective cohort study including all consecutive patients with presumed early-stage (International Federation of Gynecology and Obstetrics (FIGO) 2018 IA1-IB2, IIA1) cervical cancer who underwent radical surgery at the European Institute of Oncology, Milan, Italy. Pelvic lymph node assessment included sentinel lymph node biopsy and/or systematic pelvic lymphadenectomy. Patients who underwent para-aortic lymphadenectomy or had an indication to receive adjuvant para-aortic radiotherapy were excluded. The Kaplan-Meier method was used to estimate 5-year recurrence-free survival.
Results:
Overall, 432 patients were included. The median age was 43.7 years (IQR 38.1-51.6). Sixteen (3.7%) patients were staged IA1 at diagnosis, 24 (5.6%) IA2, 208 (48.1%) IB1, 177 (41%) IB2, and 7 (1.6%) IIA1. At final pathology, the stage distribution was as follows: 36 (8.3%) stage IA1-IA2, 323 (74.8%) stage IB1-IB3, 17 (3.9%) stage II, and 56 (13%) stage IIIC1. Eighty-two patients (19%) underwent concurrent pelvic chemoradiotherapy, 20 (4.6%) radiotherapy alone, and 3 (0.7%) chemotherapy alone. Thirty-eight (8.8%) patients experienced a recurrence with a median time of 18 months (IQR 12-29). The median follow-up time for the remaining 394 (91.2%) patients was 70 months (IQR 36-98). Two patients (0.5%) had a recurrence in the para-aortic lymph nodes. The 5-year recurrence-free survival in the overall cohort was 90% (95% CI 87.4% to 93.3%).
Conclusion:
Given the low rate of para-aortic lymph node recurrence in surgically treated early-stage cervical cancer and the well-established peri-operative complications associated with para-aortic lymphadenectomy, our study aligns with recent evidence supporting the omission of this procedure in such patients.
