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. 2022 Mar;125(3):352-360.
doi: 10.1002/jso.26725. Epub 2021 Oct 23.

Locoregional recurrence in skin-sparing and nipple-sparing mastectomies

Beatriz Costeira  1 , Francisca B da Silva  1 , Rodrigo Oom  1 , Cristina Costa  1 , João V Moniz  1 , Nuno Abecasis  1 , Catarina R Santos  1   2
Affiliations

Locoregional recurrence in skin-sparing and nipple-sparing mastectomies

Beatriz Costeira et al. J Surg Oncol. 2022 Mar.

Abstract

Background: Skin- and nipple-sparing mastectomies (SSMs/NSMs) present as an alternative for patients requiring mastectomy, with better aesthetic results. We aimed to evaluate the locoregional recurrence (LRR) rate and its predictive factors.

Methods: Retrospective analysis of all consecutive cases of SSM and NSM for a primary diagnosis of in situ or invasive breast cancer, at a national cancer center, from January 1st, 2013 to May 31st, 2019. The primary outcome was LRR. Secondary outcomes included LRR predictive factors, overall survival (OS), and disease-free survival (DFS).

Results: There were included 461 patients; 402 (87%) with invasive carcinoma. The median age was 46 (interquartile range [IQR]: 40-53) years. Ninety (20%) patients had locally advanced disease. LRR rate was 3.0%, with a median follow-up time of 39 (IQR: 21-59) months. The median time to recurrence was 22 (IQR: 10-45) months. Factors independently associated with LRR were high histological grade, negative estrogen receptor status, and high Ki67 (p < 0.05). OS was 94.8% and DFS was 92.8%. LRR was associated with decreased OS.

Discussion: SSM and NSM present as a safe approach to breast cancer requiring mastectomy, including selected patients with a locally advanced tumor. The associated LRR rate is 3.0%, with risk factors being high grade, negative estrogen receptor status, and high Ki67.

Keywords: locoregional recurrence; nipple-sparing mastectomy; skin-sparing mastectomy.

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References

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