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Incidence of inguinofemoral lymph node metastases at the first local recurrence of vulvar cancer: a Dutch nationwide study

  • Noortje Pleunis*
  • , Anne Floor W. Pouwer
  • , Maaike H.M. Oonk
  • , Helena C. van Doorn
  • , Ming Y. Tjiong
  • , Jacobus van der Velden
  • , Henry Zijlmans
  • , Mariette I.E. van Poelgeest
  • , Eleonora B. van Dorst
  • , Brigitte F.M. Slangen
  • , Lia C.G. Verhoef
  • , Johanna M.A. Pijnenborg
  • , Joanne A. de Hullu
  • *Corresponding author for this work
  • Radboud University Medical Center
  • Rijnstate Hospital
  • University Medical Centre Groningen
  • Amsterdam UMC
  • Antoni van Leeuwenhoek Hospital
  • Leiden University Medical Centre
  • Utrecht University
  • Maastricht University
  • Radboud University Nijmegen

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)

Abstract

Background:

Up to 40% of vulvar cancer patients present with local recurrence within 10 years of follow-up. An inguinofemoral lymphadenectomy (IFL) is indicated if not performed at primary treatment. The incidence and risk factors for lymph node metastases (LNM) at first local recurrence, however, are unclear. Our aim was to determine the incidence of LNM at first local recurrence, in relation to previous groin treatment and clinicopathological factors. 

Methods: 

A multicenter cohort study including vulvar cancer patients with a first macroinvasive local recurrence after primary surgical treatment between 2000 and 2015 was conducted in the Netherlands. Groin status at local recurrence was defined as positive (N+), negative (N−) or unknown (N?) and based on histology, imaging and follow-up. Patient-, tumour- and treatment characteristics of primary and recurrent disease were analysed. 

Results: 

Overall, 16.3% (66/404) had a N+ groin status at first local recurrence, 66.4% (268/404) N− and 17.3% (70/404) N? groin status. The incidence of a N+ groin status was comparable after previous SLN and IFL, 11.5% and 13.8%, respectively. A N+ groin status was related to tumour size (25 vs.12 mm; P < 0.001), depth of invasion (5 vs. 3 mm; P < 0.001) and poorly differentiated tumours (22.9 vs. 11.9%; P = 0.050) at local recurrence. 

Conclusions: 

The incidence of LNM at first local recurrence in vulvar cancer patients was 16.3%, and independent of previous type of groin surgery. In accordance with primary diagnosis, tumour size, depth of invasion, and tumour grade were significantly associated with a positive groin status.

Original languageEnglish
Pages (from-to)956-964
Number of pages9
JournalBritish Journal of Cancer
Volume129
Issue number6
DOIs
Publication statusPublished - 5 Oct 2023

Bibliographical note

Funding Information:
Published conference abstracts: in an earlier stage of the study, the abstract was presented at the European Society of Gynecological Oncology (ESGO) meeting in 2019 [30]. Additional contributions: Martijn Mensink, Anouk van Heertum and Anne Hompesch are medical (Master of Science) students and were involved in the data collection process as part of their thesis.

Publisher Copyright:
© 2023, The Author(s), under exclusive licence to Springer Nature Limited.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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