J Breast Cancer.  2021 Apr;24(2):196-205. 10.4048/jbc.2021.24.e18.

Comparison of Single Incision Endoscopic Nipple-Sparing Mastectomy and Conventional NippleSparing Mastectomy for Breast Cancer Based on Initial Experience

  • 1Department of Surgery, Korea University College of Medicine, Seoul, Korea
  • 2Department of Plastic and Reconstructive Surgery, Korea University College of Medicine, Seoul, Korea


Endoscopic breast surgery for patients with breast cancer was introduced for its superior cosmetic outcomes; it was initially studied in the field of breast-conserving surgery and, more recently, in robotic-assisted nipple-sparing mastectomy (NSM). The main purpose of this study was to investigate the feasibility and safety of endoscopic NSM (E-NSM) in patients with breast cancer by comparing E-NSM and conventional NSM (C-NSM).
Between May 2017 and October 2020, we retrieved the records of 45 patients who underwent NSM with permanent silicone implants and divided them into the E-NSM group (20 patients) and the C-NSM group (25 patients), depending on the use of the endoscopic device. We also analyzed demographic information, pathology, operative time, and complications.
No significant differences were observed between the 2 groups based on demographic information, postoperative pathological data, mean length of hospital stay, and total number of complications. The mean preparation time for surgery was comparable between both groups. Compared to the C-NSM group, the E-NSM group had a significantly longer mean operative time and, subsequently, a significantly longer mean total operative time and number of complications.
The results showed that E-NSM was feasible and safe with a more inconspicuous incision in patients with breast cancer.


Breast neoplasms; Endoscopic surgical procedure; Mastectomy; Reconstructive surgery; Robot-assisted surgery
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