biostudies-literatureUnknown159(10)Kim JH<h4>Importance</h4>While nipple-sparing mastectomy (NSM) for breast cancer was only performed using the open method in the past, its frequency using endoscopic and robotic surgical instruments has been increasing rapidly. However, there are limited studies regarding postoperative complications and the benefits and drawbacks of minimal access NSM (M-NSM) compared with conventional NSM (C-NSM).<h4>Objective</h4>To examine the differences in postoperative complications between C-NSM and M-NSM.<h4>Design, setting, participants</h4>This was a retrospective multicenter cohort study enrolling 1583 female patients aged 19 years and older with breast cancer who underwent NSM at 21 university hospitals in Korea between January 2018 and December 2020. Those with mastectomy without preserving the nippJAMA surgery1177-1186https://www.ebi.ac.uk/biostudies/studies/S-EPMC11325243biostudies-literatureMinimal Access vs Conventional Nipple-Sparing Mastectomy.PMC11325243Lee JEKorea Robot-endoscopy Minimal Access Breast Surgery Study GroupLee JKim KSPark HSChang YWKang YJKim JYSon NHChoi JENam SEKim MKShin HJLee MHKwon SUChoi HJLee HYLee SBBae SJChoi YJRyu JMKim JHKim ZKo BSCha CPark EfalseMinimal Access vs Conventional Nipple-Sparing Mastectomy.<h4>Importance</h4>While nipple-sparing mastectomy (NSM) for breast cancer was only performed using the open method in the past, its frequency using endoscopic and robotic surgical instruments has been increasing rapidly. However, there are limited studies regarding postoperative complications and the benefits and drawbacks of minimal access NSM (M-NSM) compared with conventional NSM (C-NSM).<h4>Objective</h4>To examine the differences in postoperative complications between C-NSM and M-NSM.<h4>Design, setting, participants</h4>This was a retrospective multicenter cohort study enrolling 1583 female patients aged 19 years and older with breast cancer who underwent NSM at 21 university hospitals in Korea between January 2018 and December 2020. Those with mastectomy without preserving the nipp2024-01-01T00:00:00Z2024 Oct2026-06-03T23:03:38.536Z2025-04-04T02:43:32.139ZS-EPMC113252433914139910.1001/jamasurg.2024.2977