Oncoplastic Procedures in Preparation for Nipple-Sparing Mastectomy and Autologous Breast Reconstruction: Controlling the Breast Envelope.

[BACKGROUND] Nipple-sparing mastectomy has been associated with superior aesthetic outcomes and oncologic safety. However, traditional contraindications, such as breast ptosis/macromastia, have excluded a large number of patients. The purpose of this study was to determine whether a staged approach would expand the indications for nipple-areolar complex preservation and permit greater control over nipple-areolar complex position and skin envelope following autologous reconstruction.

[METHODS] A retrospective analysis was conducted of female patients with a diagnosis of breast cancer or BRCA mutation with grade 2 or 3 ptosis and/or macromastia who underwent bilateral (oncoplastic) reduction/mastopexy (stage 1) followed by bilateral nipple-sparing mastectomy with immediate reconstruction with free abdominal flaps (stage 2). The authors were specifically interested in the incidence of mastectomy skin necrosis and nipple-areolar complex necrosis and malposition following stage 2.

[RESULTS] Sixty-one patients with a mean age of 45.1 years (range, 28 to 62 years) and mean body mass index of 32.6 kg/m (range, 23.4 to 49.0 kg/m) underwent reconstruction with 122 flaps. The mean interval between stage 1 and 2 was 16.9 weeks (range, 3 to 31 weeks). Clear margins were obtained in all cases of invasive cancer and in situ disease following stage 1. Complications following stage 2 included partial nipple-areolar complex necrosis (n = 5, 8.2 percent), complete nipple-areolar complex necrosis (n = 4, 6.6 percent), nipple-areolar complex malposition (n = 1, 1.6 percent), and mastectomy skin necrosis (n = 4, 6.6 percent). No flap loss was noted in this series.

[CONCLUSION] Patients with moderate to severe breast ptosis and/or macromastia who wish to undergo mastectomy with reconstruction can be offered nipple-sparing approaches safely if a staged algorithm is implemented.

[CLINICAL QUESTION/LEVEL OF EVIDENCE] Therapeutic, IV.