Success of Neoadjuvant Chemotherapy in Conversion of Mastectomy to Breast Conservation Surgery

Kaufmann, Paul; Dauphine, Christine E.; Vargas, Perla; Burla, Melissa L.; Isaac, Nova M.; Gonzalez, Katherine D.; Rosing, David; Vargas, Hernan I.
October 2006
American Surgeon;Oct2006, Vol. 72 Issue 10, p935
Academic Journal
Neoadjuvant chemotherapy (NC) in patients with breast cancer results in high response rates and has been used with the purpose of reducing tumor size and achieving breast conservation (BC) in individuals who initially require mastectomy. Our objective is to determine the success of NC in achieving BC in women who initially were not candidates for BC. We conducted a cohort study of women with invasive breast cancer who required mastectomy but desired BC surgery. Outcomes measured were tumor response and rates of BC. Thirty-seven women had a mean age of 45 years. Mean tumor size was 51 mm, and 62 per cent were larger than 4 cm. Tumors were predominantly infiltrating ductal carcinoma (83.3%) and high grade (62.2%). Cyclophosphamide, doxorubicin, and 5-fluorouracil with or without taxotere were most commonly used (86%). Complete clinical and pathologic responses were seen in 32.4 per cent and 10.8 per cent of patients, respectively. BC was achieved in 56.7 per cent of cases. Only initial tumor size predicted tumor regression and success of BC (P = 0.014). Neither tumor histology nor biologic markers predicted tumor response. In conclusion, NC is an effective alternative in achieving tumor reduction and BC in selected patients who require mastectomy but desire BC surgery.


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