The Role of redo-Sentinel Lymph Node Biopsy in Patients With Prior Ipsilateral Breast Cancer Surgery

Margo Rose F. Macnab, Gabrielle Slater, Mairi Fuller, Beatrix Elsberger, Lesley Lovell, Roger T. Staff, Yazan A. Masannat*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Sentinel Lymph Node Biopsy (SLNB) is used to stage the axilla, but there is limited data in patients with prior ipsilateral breast cancer. This study compares redo-SLNB (reSLNB) and Axillary node sample (ANS) in this sub-cohort of patients. Materials and Methods: This is a retrospective study looking at patients with a new ipsilateral primary or recurrence with history of breast-conserving surgery. Planned and performed surgery, patient demographics and previous treatments were recorded. Node positivity and success rate of reSLNB was analyzed. Results: A total of 86 patients were identified that had mastectomy for ipsilateral recurrent disease with radiologically negative axilla. Out of the 48 that had reSLNB, 35(72.9%) were successful. Nineteen percent of the reSLNB had positive axillae and 20% of the ANS patients. reSLNB success rate was significantly lower amongst patients with previous axillary surgery (P = .014) and previous positive nodes(P = .001). Conclusion: reSLNB should be considered to restage the axilla in patients with previous history of ipsilateral cancer especially that there is growing evidence showing good identification rate.

Original languageEnglish
Number of pages6
JournalClinical Breast Cancer
Early online date3 Feb 2022
DOIs
Publication statusE-pub ahead of print - 3 Feb 2022

Keywords

  • Axillary node sample
  • Axillary Surgery
  • Breast cancer recurrence
  • Breast surgery
  • Sentinel node biopsy

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