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Oncoplastic Breast Surgery Compared to Conventional Breast-Conserving Surgery With Regard to Oncologic Outcome

Rose, Michael LU ; Svensson, Henry LU ; Handler, Jürgen ; Hoyer, Ute ; Ringberg, Anita LU and Manjer, Jonas LU (2019) In Clinical Breast Cancer
Abstract

Introduction: Oncoplastic breast surgery (OBS) has been implemented with increasing frequency in the treatment of breast cancer. The aim of this study was to compare the oncologic outcome after OBS to the outcome after conventional breast-conserving surgery (BCS) in patients with invasive breast cancer. Patients and Methods: In all, 197 patients treated with OBS were compared to 1399 patients treated with conventional BCS from 2008 to 2013. We evaluated nonradical primary tumor excision, time to initiation of adjuvant therapy, disease-free survival (risk of recurrent disease), and survival (cause specific and overall). Identification of patients and follow-up were made using the Danish Breast Cancer Cooperative Group registry and the... (More)

Introduction: Oncoplastic breast surgery (OBS) has been implemented with increasing frequency in the treatment of breast cancer. The aim of this study was to compare the oncologic outcome after OBS to the outcome after conventional breast-conserving surgery (BCS) in patients with invasive breast cancer. Patients and Methods: In all, 197 patients treated with OBS were compared to 1399 patients treated with conventional BCS from 2008 to 2013. We evaluated nonradical primary tumor excision, time to initiation of adjuvant therapy, disease-free survival (risk of recurrent disease), and survival (cause specific and overall). Identification of patients and follow-up were made using the Danish Breast Cancer Cooperative Group registry and the Danish Cause of Death registry. Multivariate logistic regression and the Cox proportional hazard analysis were used to obtain odds ratios and hazard ratios with 95% confidence intervals (CI). Results: There was a lower risk for nonradical primary tumor excision for patients undergoing OBS versus conventional BCS (adjusted odds ratio:95% CI, 0.50:0.29-0.84). No significant differences were found with regard to a delay in initiation of adjuvant chemotherapy (adjusted hazard ratio:95% CI, 1.14:0.89-1.45) or radiotherapy (0.91:0.71-1.16), disease-free survival (1.23:0.61-2.47), breast cancer as cause of death (1.46:0.52-4.09), breast cancer as underlying or multiple cause of death (0.90:0.34-2.37), or overall survival (0.90:0.51-1.60). Conclusion: We found no significant differences in oncologic outcome comparing OBS to conventional BCS. However, a lower risk of nonradical primary tumor excision was found for patients treated with OBS. These results indicate that OBS is a safe procedure.

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author
; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Invasive breast cancer, Oncology, Oncoplastic
in
Clinical Breast Cancer
publisher
Elsevier
external identifiers
  • pmid:31303563
  • scopus:85068555233
ISSN
1526-8209
DOI
10.1016/j.clbc.2019.05.016
language
English
LU publication?
yes
id
28e6bce4-7029-4977-b0af-2200568137c8
date added to LUP
2019-07-17 13:33:14
date last changed
2024-03-19 17:44:28
@article{28e6bce4-7029-4977-b0af-2200568137c8,
  abstract     = {{<p>Introduction: Oncoplastic breast surgery (OBS) has been implemented with increasing frequency in the treatment of breast cancer. The aim of this study was to compare the oncologic outcome after OBS to the outcome after conventional breast-conserving surgery (BCS) in patients with invasive breast cancer. Patients and Methods: In all, 197 patients treated with OBS were compared to 1399 patients treated with conventional BCS from 2008 to 2013. We evaluated nonradical primary tumor excision, time to initiation of adjuvant therapy, disease-free survival (risk of recurrent disease), and survival (cause specific and overall). Identification of patients and follow-up were made using the Danish Breast Cancer Cooperative Group registry and the Danish Cause of Death registry. Multivariate logistic regression and the Cox proportional hazard analysis were used to obtain odds ratios and hazard ratios with 95% confidence intervals (CI). Results: There was a lower risk for nonradical primary tumor excision for patients undergoing OBS versus conventional BCS (adjusted odds ratio:95% CI, 0.50:0.29-0.84). No significant differences were found with regard to a delay in initiation of adjuvant chemotherapy (adjusted hazard ratio:95% CI, 1.14:0.89-1.45) or radiotherapy (0.91:0.71-1.16), disease-free survival (1.23:0.61-2.47), breast cancer as cause of death (1.46:0.52-4.09), breast cancer as underlying or multiple cause of death (0.90:0.34-2.37), or overall survival (0.90:0.51-1.60). Conclusion: We found no significant differences in oncologic outcome comparing OBS to conventional BCS. However, a lower risk of nonradical primary tumor excision was found for patients treated with OBS. These results indicate that OBS is a safe procedure.</p>}},
  author       = {{Rose, Michael and Svensson, Henry and Handler, Jürgen and Hoyer, Ute and Ringberg, Anita and Manjer, Jonas}},
  issn         = {{1526-8209}},
  keywords     = {{Invasive breast cancer; Oncology; Oncoplastic}},
  language     = {{eng}},
  month        = {{06}},
  publisher    = {{Elsevier}},
  series       = {{Clinical Breast Cancer}},
  title        = {{Oncoplastic Breast Surgery Compared to Conventional Breast-Conserving Surgery With Regard to Oncologic Outcome}},
  url          = {{http://dx.doi.org/10.1016/j.clbc.2019.05.016}},
  doi          = {{10.1016/j.clbc.2019.05.016}},
  year         = {{2019}},
}