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Attachment distribution of pectoral muscle origins identified in dual-plane breast implant insertion

Archives of Plastic Surgery 2020년 47권 2호 p.160 ~ 164
남수봉, 송경호, Seo Jung-Yeol, 최준석, 박태서, 이재우, 김주형, 김민욱, Kim Hyun-Yeol, Jung Yun-Ju, 김충락,
소속 상세정보
남수봉 ( Nam Su-Bong ) - Pusan National University School of Medicine Department of Plastic and Reconstructive Surgery
송경호 ( Song Kyung-Ho ) - Four Seasons Plastic Surgery Clinic
 ( Seo Jung-Yeol ) - Pusan National University School of Medicine Department of Plastic and Reconstructive Surgery
최준석 ( Choi June-Seok ) - Pusan National University School of Medicine Department of Plastic and Reconstructive Surgery
박태서 ( Park Tae-Seo ) - Pusan National University School of Medicine Department of Plastic and Reconstructive Surgery
이재우 ( Lee Jae-Woo ) - Pusan National University School of Medicine Department of Plastic and Reconstructive Surgery
김주형 ( Kim Ju-Hyung ) - Pusan National University School of Medicine Department of Plastic and Reconstructive Surgery
김민욱 ( Kim Min-Wook ) - Pusan National University School of Medicine Department of Plastic and Reconstructive Surgery
 ( Kim Hyun-Yeol ) - Pusan National University Yangsan Hospital Breast Surgery Center
 ( Jung Yun-Ju ) - Pusan National University Yangsan Hospital Breast Surgery Center
김충락 ( Kim Choong-Rak ) - Pusan National University Department of Statistics

Abstract


Background: Implant-based dual-plane augmentation mammoplasty requires accurate separation of the pectoralis major muscle (PMM) at its origins. The authors identified the PMM origins during breast reconstruction surgery with the goal of providing additional information on subpectoral implant insertion for reconstructive or aesthetic purposes.

Methods: This study was conducted on 67 patients who underwent breast reconstruction surgery at the breast center of our hospital between November 2016 and June 2018. In total, 34 left and 39 right hemithoraces were examined. The left and right hemithoraces were each divided into 15 zones to determine the percentage of PMM attachments in each zone. The distribution of PMM origins in each zone was examined to identify any statistically significant differences.

Results: There were no statistically significant differences in the origins of the PMM between the right and left hemithoraces. The percentage of attachments increased moving from the fourth to the sixth rib and from the lateral to the medial aspect.

Conclusions: The anatomical findings of this study could be used as a reference for accurate dissection of the origins of the PMM for the preparation of the subpectoral pocket for subpectoral implant placement.

키워드

Pectoralis muscle; Anatomy; Breast

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