Comparison of oncological safety between nipple sparing mastectomy and total mastectomy using propensity score matching

T. Seki, Hiromitsu Jinno, K. Okabayashi, T. Murata, A. Matsumoto, M. Takahashi, T. Hayashida, Y. Kitagawa

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

INTRODCUTION Although nipple sparing mastectomy (NSM) has attracted increased recognition as an alternative to traditional mastectomy approaches, its oncological safety is unclear. The purpose of this study was to compare the local recurrence rate between NSM and total mastectomy (TM). METHODS: Between 2003 and 2013, 121 and 557 patients with stage 0-III breast cancer underwent NSM and TM respectively. Multivariate Cox regression and propensity score models were used to compare the two groups. RESULTS: There was no significant difference in the five-year local recurrence rate between the NSM and TM groups (7.6% vs 4.9%, p=0.398). In multivariate analysis, NSM was not a risk factor for local recurrence (hazard ratio: 1.653, 95% confidence interval: 0.586-4.663, p=0.343). Propensity score matching found similar five-year local recurrence free survival rates between the two groups (92.3% vs 93.7%, p=0.655). CONCLUSIONS: Our results suggest that NSM may provide oncological safety comparable with mastectomy for carefully selected patients.

Original languageEnglish
Pages (from-to)291-297
Number of pages7
JournalAnnals of the Royal College of Surgeons of England
Volume97
Issue number4
DOIs
Publication statusPublished - 2015

Keywords

  • Breast cancer
  • Nipple sparing mastectomy
  • Propensity score matching

ASJC Scopus subject areas

  • Surgery

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