Surgical and oncological safety of nipple-sparing mastectomy in an Asian population
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Nipple-sparing mastectomy (NSM) allows for excellent postmastectomy reconstruction aesthetics and is used for both therapeutic and risk-reducing purposes. Reservations regarding the potential for locoregional recurrence and concerns about nipple–areolar complex (NAC) necrosis remain amongst many surgeons. We review the surgical and oncological outcomes after NSM in our institution.
All NSM cases at the National Cancer Centre Singapore and Singapore General Hospital between 2005 and 2015 were reviewed. Tumour characteristics, reconstruction methods, surgical and oncological outcomes are described.
A total of 139 NSMs were performed for 130 patients. The median age was 46 years (range 21–66). The use of NSM increased from 2% of all breast reconstructions in 2005 to 37% in 2015. The majority (n = 119; 86%) were for cancer treatment and 20 (14%) for risk-reducing purposes. Among those performed for cancer, patients mainly had early stage breast cancer (n = 106, 89%). Autologous reconstruction (n = 111, 80%) was most common. Early complications requiring surgical intervention occurred in 24 (17%) NSMs, including 9 partial/complete flap loss and 2 complete NAC loss. Smoking, previous breast radiation and periareolar incision were all not associated with a higher re-intervention rate (p = 0.93, 0.41 and 0.91, respectively). Median follow-up was 43 months (range 5–145). Five patients (4%) developed local recurrence, including 2 NAC recurrences. The 2- and 5-year overall survival rate is 97 and 90%, respectively.
NSM is an oncologically safe procedure in selected patients with acceptable low complication rates.
KeywordsNipple-sparing mastectomy Immediate breast reconstruction Asian
Compliance with ethical standards
Conflict of interest
All authors have no conflict of interest to disclose.
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