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Updated: Jul 8, 2025
Endoscopic Bilateral Nipple-sparing Mastectomy via a Single Axillary Incision with Immediate Pre-pectoral Implant-based Breast Reconstruction
Published on: May 17, 2024
Expanded indications for breast-conserving surgery with oncoplastic approaches compared to conventional approaches: a
Wenjie Zhou1,2,3, Xiaoli Wang1,2, Jiqiao Yang1,2
1Division of Breast Surgery, Department of General Surgery, West China Hospital, Sichuan University, Chengdu, China.
Background:
Oncoplastic breast-conserving surgery (OPBS) is the evolution of conventional breast-conserving surgery (CBCS); however, data from studies comparing patients who received two surgical procedures are limited. A comparison of differences in terms of the patient characteristics, tumor-nipple distance, volume of resected breast tissue, tumor volume and postoperative breast appearance between patients undergoing OPBS and CBCS was carried out in this study, enhancing the evidence base for OPBS by widening indications and improving patient satisfaction.
Methods:
From January 2020 to April 2022, the Breast Center of West China Hospital conducted a retrospective comparative study involving 106 patients. Preoperative characteristics of patients were recorded, and the tumor-nipple distance, the volume of resected breast tissue, tumor volume and patient-reported esthetic outcomes measured by the Harris cosmetic scale were compared between patients who underwent OPBS and CBCS.
Results:
Each group had a median follow-up time of 2 months, ranging from 1 week to 6 months. The tumor-nipple distance was significantly shorter in patients receiving OPBS than in those receiving CBCS (2.98±1.42 vs. 3.85±1.78 cm, P=0.006). The rate of positive margin evaluated by intraoperative frozen section biopsy was significantly lower in OPBS group than in CBCS group (2/43, 4.65% vs. 11/63, 17.46%; P=0.048). The maximum diameter of resected tissue (7.80±2.29 vs. 6.75±1.87 cm, P=0.011) and volume of resected tissue (74.20±42.77 vs. 45.52±30.99 cm3, P<0.001) were significantly larger with OPBS. The tumor size, tumor volume (either clinically measured by ultrasound or pathologically measured), tumor location, and reoperation rate due to positive margins did not differ significantly between groups. Moreover, insignificant differences existed regarding patient satisfaction between two groups (87.30% vs. 81.40%).
Conclusions:
The OPBS strategy allowed extensive resections and expanded indications with equivalent cosmetic satisfaction and favorable oncological safety.
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