• Annals of surgery · May 2022

    Robot-assisted Nipple-sparing Mastectomy with Immediate Breast Reconstruction: An Initial Experience of the Korea Robot-Endoscopy Minimal Access Breast Surgery Study Group (KoREa-BSG).

    • Jai Min Ryu, Jee Ye Kim, Hee Jun Choi, BeomSeok Ko, Jisun Kim, Jihyoung Cho, Moo Hyun Lee, Jung Eun Choi, Joo Heung Kim, Jeea Lee, Sung Mi Jung, Hyuk Jai Shin, Jeeyeon Lee, and Hyung Seok Park.
    • Division of Breast Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
    • Ann. Surg. 2022 May 1; 275 (5): 985991985-991.

    ObjectiveThe aim of this study was to present the results of early experience of robot-assisted nipple sparing mastectomy (RANSM).BackgroundRANSM improves cosmetic outcomes over conventional nipple-sparing mastectomy. However, data on the feasibility and safety of the RANSM are limited.MethodsPatients who underwent RANSM with immediate breast reconstruction as part of the Korea Robot-endoscopy Minimal Access Breast Surgery Study Group (KoREa-BSG) from November 2016 to January 2020 were enrolled. clinicopathologic characteristics, perioperative complications, and operation time were collected.ResultsOverall, 73 women underwent 82 RANSM procedures conducted by 11 breast surgeons at 8 institutions. The median patient age was 45.5 years old (20-66 years), and 52 (63.4%) patients were premenopausal. Invasive breast cancer was noted in 55 cases (40 cases were stage i, 11 cases were stage ii, and 4 cases were stage iii, respectively) and ductal carcinoma in-situ was recorded in 20 cases. Of those, 3 patients with BRCA1/2 mutation carriers underwent contralateral risk-reducing RANSM. The median length of hospitalization was 12.0 days (5.0-24.0 days). The incision location was the mid-axillary line and the median incision length was 50.0 mm (30.0-60.0 mm). Median total operation time, median total mastectomy time, and median reconstruction time was 307.0 minutes (163.0-796.0 minutes), 189.5 minutes (97.5-325.0 minutes), and 119.5 minutes (45.0-689.0 minutes). Only 2 cases (2.5%) required reoperation. Nipple ischemia was found in 9 cases (10.9%) but only 1 case (1.2%) required nipple excision given that 8 cases (9.7%) resolved spontaneously. Skin ischemia was observed in 5 cases (6.1%) and only 2 (2.4%) cases needed skin excision whereas 3 cases (3.6%) resolved spontaneously. There was no conversion to open surgery orcases of mortality. The mean time for mastectomy among surgeons who performed more than 10 cases was 182.3 minutes (± 53.7, minutes) and 195.4 minutes (± 50.4, minutes).ConclusionThis was the first report of RANSM conducted in the KoREa-BSG. RANSM is technically feasible and acceptable with a short learning curve. Further prospective research to evaluate surgical and oncologic outcomes is needed.Copyright © 2020 The Author(s). Published by Wolters Kluwer Health, Inc.

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