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Incidence and univariate models for lymphatic drainage disorders following management for cervical cancer
Jorge Cea García1, Inmaculada Rodríguez Jiménez1, Laura Ríos-Pena2
1Clinical Management Unit for Obstetrics and Gynecology, University Hospital Virgen Macarena, Seville, Spain.
Aim:
To clarify the incidence of lymphatic drainage disorders (LLD) after treatment for cervical cancer (CC) and to establish univariate models for their occurrence.
Methods:
A total of 263 eligible patients with CC were identified between 2010 and 2019. We conducted a case-control study and divided the study population into two subsamples of 12 and 251 CC survivors based on the presence/absence of LLD, respectively. The cumulative incidence was evaluated using the Kaplan-Meier method. Univariate models based on Pearson correlation coefficient were used to evaluate associations between explanatory variables and LLD.
Results:
The cumulative incidence of LLD began at 3.3% after the 7-month follow-up, reaching a plateau of 21.2% between 130 and 250 months of follow-up. We detected correlation between LLD and number of removed para-aortic lymph nodes (r = -0.39), number of pelvic lymphadenopathies (r = 0.16), pelvic lymphadenectomy (PL) (r = 0.16), age at diagnosis of CC (r = -0.1) and primary surgery (r = 0.1).
Conclusion:
We observed a cumulative incidence of LLD of 21.2%, which is in accord with other retrospective studies. Number of removed para-aortic lymph nodes, number of pelvic lymphadenopathies, PL, age at diagnosis of CC and primary surgery were the most influential clinical factors associated with the occurrence of LLD in CC survivors.
