Comparing survival outcomes between surgical and radiographic lymph node assessment in locally advanced cervical cancer: A propensity score-matched analysis

Jie Yang, Ritchie Delara, Javier F Magrina, Paul Magtibay, Johnny Yi, Carrie Langstraat, Matthew Robertson, Tri Dinh, Kristina Butler

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Objective: To investigate progression-free survival (PFS) and overall survival (OS) between women who underwent surgical versus radiographic assessment of pelvic lymph nodes (PLN) and para-aortic lymph nodes (PALN) prior to chemoradiation therapy for cervical cancer. Methods: In this retrospective cohort analysis, patients with stage IB2 - IIIB squamous cell, adenocarcinoma and adenosquamous carcinoma of the cervix who completed concurrent chemoradiation therapy (CCRT) between 2000 and 2017 from the Mayo Clinic Cancer Registry were identified. A 1:2 propensity score matching between surgical and imaging groups was performed and PFS and OS were compared between groups. Results: 148 patients were identified and after propensity score matching, 35 from the surgical group and 70 from the imaging group were included in the analysis. There were no statistical differences in baseline characteristics between the 2 groups. The median follow-up time was 41 months (range 7–218) for the surgical group and 51.5 months (range 7–198) for the imaging group. Five-year PFS was 62.6% for the surgical group and 72.4% in imaging group (HR 1.11, 95% CI 0.54–2.30, p = 0.77). Five-year OS was 70.2% for the surgical group and 70.5% for the imaging group (HR 1.02, 95% CI 0.46–2.29, p = 0.96). FIGO stage, PALN metastasis, and parametrial involvement were found to be poor prognosticators for PFS and OS in univariate analysis. Only PALN metastasis significantly predicted unfavorable PFS (HR 2.76, 95% CI 1.23–6.18, p = 0.01) and OS (HR 3.46, 95% CI 1.40–8.55, p = 0.01) in multivariate analysis. There were no differences in locoregional recurrence and distant metastasis between the two groups (p = 0.33 and 0.59 respectively). Conclusion: Patients with cervical cancer who underwent radiographic assessment of PLN and PALN had comparable survival outcomes to surgical assessment.

Original languageEnglish (US)
Pages (from-to)320-327
Number of pages8
JournalGynecologic oncology
Volume156
Issue number2
DOIs
StatePublished - Feb 2020

ASJC Scopus subject areas

  • Oncology
  • Obstetrics and Gynecology

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