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O'Halloran, N;Lowery, A;Curran, C;McLaughlin, R;Malone, C;Sweeney, K;Keane, M;Kerin, M
2019
October
A Review of the Impact of Neoadjuvant Chemotherapy on Breast Surgery Practice and Outcomes
Published
1
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PATHOLOGICAL COMPLETE RESPONSE CONSERVING SURGERY ADJUVANT CHEMOTHERAPY RANDOMIZED-TRIAL CANCER THERAPY RATES
Neoadjuvant chemotherapy facilitates breast conserving surgery and allows surgical treatment if patients are considered inoperable at baseline. The number of patients with breast cancer being treated with neoadjuvant chemotherapy is increasing, although mastectomy is still central to the surgical management of breast cancer. Introduction: Neoadjuvant chemotherapy (NAC) is increasingly used in locally advanced breast cancer as it facilitates breast conserving surgery (BCS) and allows surgical treatment of patients considered inoperable at baseline. The aim of this study was to assess the trends in breast cancer management with regard to the administration of NAC and adjuvant chemotherapy and the effect this has on surgical practice, patient outcomes, and patterns of disease recurrence. Patients and Methods: Patients treated with chemotherapy from 2005 to 2014 were identified from a prospectively maintained database. Clinicopathologic details, timing of chemotherapy delivery, and surgical procedures carried out were analyzed. Results: A total of 1619 patients were included in the study. The NAC group (n = 383) had a higher T stage (P < .001) and higher grade disease than the adjuvant group (P = .017). Luminal A breast cancer was less likely to be treated by NAC. The proportion of patients treated with NAC has increased from 12.1% in 2005 to 48.3% in 2014 (P < .001). There was an increase in the BCS rate over time (P = .002); however, a higher proportion of the neoadjuvant group (55.5%) underwent mastectomy. Timing of chemotherapy influenced the type of reconstructive procedure carried out (P = .003). Conclusion: The number of patients with breast cancer being treated with NAC is increasing, which is influencing the increasing rate of BCS, though mastectomy is still central to the surgical management of those in receipt of NAC. (C) 2019 Elsevier Inc. All rights reserved.
DALLAS
CIG MEDIA GROUP, LP
1526-8209
377
382
10.1016/j.clbc.2019.04.011
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