The Effect of Neoadjuvant Chemotherapy Compared to Adjuvant Chemotherapy in Healing after Nipple-Sparing Mastectomy

Background: Nipple-sparing mastectomy is the latest advancement in the treatment of breast cancer. The authors aimed to investigate the effects of neoadjuvant and adjuvant chemotherapy in nipple-sparing mastectomy. Methods: Patients undergoing nipple-sparing mastectomy from 2006 to June of 2015 were identified. Results were stratified by presence of neoadjuvant or adjuvant chemotherapy. Results: A total of 840 nipple-sparing mastectomies were performed. Twenty-eight were in those who received neoadjuvant chemotherapy and 93 were in patients receiving adjuvant chemotherapy. Patients receiving both neoadjuvant and adjuvant chemotherapy were included in the neoadjuvant group. Nipple-sparing mastectomies that received neoadjuvant (with or without adjuvant) chemotherapy were compared to those in patients who received adjuvant chemotherapy. Those with neoadjuvant (with or without adjuvant) chemotherapy were more likely to have explantation (p = 0.0239) and complete nipple-areola complex necrosis (p = 0.0021). Those with neoadjuvant (with or without adjuvant) chemotherapy were more likely to have implant explantation (p = 0.0015) and complete nipple-areola complex necrosis (p = 0.0004) compared to those with no chemotherapy. Compared to nipple-sparing mastectomies in patients with no chemotherapy, those with adjuvant chemotherapy were more likely to have a hematoma (p = 0.0021). Those that received both neoadjuvant and adjuvant chemotherapy were more likely to have complete nipple-areola complex necrosis compared with both the neoadjuvant chemotherapy–only and adjuvant chemotherapy–only groups (p

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