Single-Axillary-Incision Endoscopic-Assisted Hybrid Technique for Nipple-Sparing Mastectomy: Technique, Preliminary Results, and Patient-Reported Cosmetic Outcome from Preliminary 50 Procedures

Abstract

Background

A new hybrid technique for single-axillary-incision endoscopic-assisted nipple-sparing mastectomy (E-NSM) was introduced. Preliminary results are reported.

Methods

Patients who received single-axillary-incision E-NSM from August 2013 to August 2017 were searched from a single institution. Data were analyzed to determine the effectiveness and oncologic safety of single-axillary-incision E-NSM. Patient-oriented cosmetic outcome report was also obtained.

Results

During the study period, a total of 50 E-NSM with single-incision procedures were performed in 41 female patients with breast cancer, including 11 (26.8%) patients with bilateral disease. Their mean age was 45.3 ± 8.4 years. The mean size of tumors encountered during the 50 single-incision E-NSM procedures was 2.3 ± 1.8 (0.1–7.3) cm for invasive tumors and 2.6 ± 1.7 (0.2–5.7) cm for carcinoma in situ lesions. Six (12%) of those tumors were multifocal/multicentric. Lymph node metastasis was found during 12% of the procedures. Forty-five (90%) received immediate breast reconstruction with gel implant. Mean operating time was 244.3 ± 82.8 min. The overall complication rate was 6%, and no total nipple necrosis or implant loss was observed. No locoregional recurrence or distant metastasis was found during mean follow-up of 21.6 months. About 94.4% of patients were satisfied with the postoperative scar location and wound length. All patients who responded would choose the same operation again.

Conclusions

The proposed single-axillary-incision endoscopic hybrid technique for nipple-sparing mastectomy was a safe procedure with low morbidity and associated with high patient satisfaction.

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