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Tian R, Zheng Y, Liu R, Jiang C, Zheng H. Efficacy and safety of oncoplastic breast-conserving surgery versus conventional breast-conserving surgery: An updated meta-analysis. Breast 2024; 77:103784. [PMID: 39126920 PMCID: PMC11364001 DOI: 10.1016/j.breast.2024.103784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 07/17/2024] [Accepted: 08/04/2024] [Indexed: 08/12/2024] Open
Abstract
INTRODUCTION Breast cancer is the most common cancer among women. The surgical treatment of breast cancer has transitioned progressively from radical mastectomy to breast-conserving surgery. In this meta-analysis, we are aiming to compare oncoplastic breast-conserving surgery (OS) with conventional breast-conserving surgery (BCS) in terms of efficacy and safety. METHODS We searched Medline, Web of Science, Embase, Cochrane databases, Clinicaltrial.gov, and CNKI until April 30, 2024. Data from cohort studies and randomized controlled trials (RCTs) were included. Outcomes included primary outcomes (re-excision, local recurrence, positive surgical margin, mastectomy), secondary outcomes and safety outcomes. The Cochrane Risk of Bias Assessment Tool and Newcastle-Ottawa Scale were used to evaluate the quality of outcomes. RESULTS Our study included 52 studies containing 46,835 patients. Primary outcomes comprise re-excision, local recurrence, positive surgical margin, and mastectomy, there were significant differences favoring OS over BCS (RR 0.68 [0.56, 0.82], RR 0.62 [0.47, 0.82], RR 0.76 [0.59, 0.98], RR 0.66 [0.44, 0.98] respectively), indicating superior efficacy of OS. Additionally, OS demonstrated significant aesthetic benefits (RR 1.17 [1.03, 1.33] and RR 1.34 [1.18, 1.52]). While total complications were significantly fewer in the OS group (RR 0.70 [0.53, 0.94]), the differences in specific complications were not significant. Furthermore, subgroup analyses were conducted based on nationality, sample size, quality, and type. CONCLUSION OS demonstrates either superior or at least comparable outcomes across various aspects when compared to BCS.
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Affiliation(s)
- Rui Tian
- Department of Breast Surgery, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Provincial Clinical Research Center for Breast Cancer, Wuhan Clinical Research Center for Breast Cancer No. 116 Zhuo Daoquan South Road, Wuhan, 430079, Hubei, China
| | - Yu Zheng
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ruikang Liu
- Department of Rehabilitation, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chen Jiang
- Department of Cardiovascular Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277# Jiefang Avenue, Wuhan, Hubei, 430022, China.
| | - Hongmei Zheng
- Department of Breast Surgery, Hubei Cancer Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Provincial Clinical Research Center for Breast Cancer, Wuhan Clinical Research Center for Breast Cancer No. 116 Zhuo Daoquan South Road, Wuhan, 430079, Hubei, China.
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Hasan MT, Hamouda M, Khashab MKE, Elsnhory AB, Elghamry AM, Hassan OA, Fayoud AM, Hafez AH, Al-Kafarna M, Hagrass AI, Rabea RK, Gbreel MI. Oncoplastic versus conventional breast-conserving surgery in breast cancer: a pooled analysis of 6941 female patients. Breast Cancer 2023; 30:200-214. [PMID: 36622565 PMCID: PMC9950210 DOI: 10.1007/s12282-022-01430-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Accepted: 12/21/2022] [Indexed: 01/10/2023]
Abstract
BACKGROUND Breast cancer is the most prevalent cancer in women. In the past few years, surgical interventions for breast cancer have experienced massive changes from radical excision to conserving approaches. In this study, we aim to compare the two breast surgery interventions, including conventional breast-conserving surgery (CBCS) versus oncoplastic breast-conserving surgery (OPBCS). METHODS We searched on PubMed, Web of Science (WOS), Scopus, Embase, and Cochrane till 2 October 2021. All relevant randomized controlled trials (RCTs) and observational studies were included. The data were extracted and pooled using Review Manager software (RevMan 5.4). RESULTS The pooled meta-analysis of the included studies showed that OPBCS was significantly superior to CBCS in most of the outcomes. Re-excision significantly favoured CBCS (RR = 0.49, 95% CI [0.37, 0.63], P < 0.00001). However, local recurrence (RR = 0.55, 95% CI [0.27, 1.09], P = 0.09), close surgical margins (RR = 0.37, 95% CI [0.14, 1.00], P = 0.05) and end up to the risk of mastectomy (RR = 0.73, 95% CI [0.54, 97], P = 0.06) showed no significant difference between both techniques. Notably, while performing a sensitivity analysis, other outcomes as local recurrence, significantly showed favourable results towards OPBCS. In terms of safety outcomes, there was no significant difference between OPBCS and CBCS. CONCLUSION We recommend the oncoplastic approach rather than the conventional one in females with breast cancer. Re-excision rates showed better results following OPBCS.
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Affiliation(s)
- Mohammed Tarek Hasan
- Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Mohamed Hamouda
- Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Mohammad K El Khashab
- Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Ahmed Bostamy Elsnhory
- Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Abdullah Mohamed Elghamry
- Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Obada Atef Hassan
- Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Aya Mamdouh Fayoud
- Faculty of Pharmacy, Kafr El-Shaikh University, Kafr El-Shaikh, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Abdelrahman H Hafez
- Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Mohammed Al-Kafarna
- Faculty of Pharmacy, Al-Azhar University-Gaza, Gaza Strip, Palestine
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Abdulrahman Ibrahim Hagrass
- Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Randa Kamal Rabea
- Faculty of Medicine, Ain Shams University, Cairo, Egypt
- International Medical Research Association (IMedRA), Cairo, Egypt
| | - Mohamed Ibrahim Gbreel
- Faculty of Medicine, October 6 University, Cairo Governorate, Giza, 11571, Egypt.
- International Medical Research Association (IMedRA), Cairo, Egypt.
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Mohamedahmed AYY, Zaman S, Zafar S, Laroiya I, Iqbal J, Tan MLH, Shetty G. Comparison of surgical and oncological outcomes between oncoplastic breast-conserving surgery versus conventional breast-conserving surgery for treatment of breast cancer: A systematic review and meta-analysis of 31 studies. Surg Oncol 2022; 42:101779. [DOI: 10.1016/j.suronc.2022.101779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 04/01/2022] [Accepted: 05/05/2022] [Indexed: 10/18/2022]
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Ritter M, Oberhauser I, Montagna G, Zehnpfennig L, Schaefer K, Ling BM, Levy J, Soysal SD, Müller M, López LC, Schwab FD, Kurzeder C, Haug M, Kappos EA, Weber WP. Comparison of patient-reported outcomes among different types of oncoplastic breast surgery procedures. J Plast Reconstr Aesthet Surg 2022; 75:3068-3077. [PMID: 35732566 DOI: 10.1016/j.bjps.2022.04.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 03/03/2022] [Accepted: 04/12/2022] [Indexed: 11/19/2022]
Abstract
BACKGROUND This study aims to compare patient-reported outcomes (PROs) after different types of oncoplastic surgery (OPS) procedures and correlate the results with previously published normative data from women with no prior history of breast cancer (BC) and breast surgery. METHODS Cross-sectional study of patients with stage I-II BC undergoing a specific selection of OPS procedures from 04/2012 to 12/2018 by three breast surgeons at a single tertiary referral hospital in Switzerland. PROs were evaluated using the postoperative BREAST-Q questionnaire. RESULTS One hundred twenty-seven patients met the inclusion criteria and were surveyed. All OPS techniques achieved comparably elevated scores in satisfaction with breasts, psychosocial, and sexual well-being. Compared to normative data of healthy women, all OPS groups postoperatively achieved significantly better satisfaction with breasts, psychosocial, and sexual well-being. CONCLUSION This study shows high PROs across all types of OPS, which were superior to normative data from healthy women. Our findings confirm that OPS is associated with high quality of life and patient satisfaction.
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Affiliation(s)
- Mathilde Ritter
- Breast Center, University Hospital of Basel, Basel, Switzerland
| | - Ida Oberhauser
- Breast Center, University Hospital of Basel, Basel, Switzerland
| | - Giacomo Montagna
- Breast Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Lea Zehnpfennig
- Breast Center, University Hospital of Basel, Basel, Switzerland
| | | | - Barbara M Ling
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Basel, Switzerland
| | - Jeremy Levy
- Biometrical Practice BIOP, Basel, Switzerland
| | - Savas D Soysal
- Breast Center, University Hospital of Basel, Basel, Switzerland
| | - Madleina Müller
- Department of Obstetrics and Gynecology, University Hospital of Basel, Basel, Switzerland
| | | | - Fabienne D Schwab
- Department of Obstetrics and Gynecology, University Hospital of Basel, Basel, Switzerland
| | - Christian Kurzeder
- Department of Obstetrics and Gynecology, University Hospital of Basel, Basel, Switzerland
| | - Martin Haug
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Basel, Switzerland
| | - Elisabeth A Kappos
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Basel, Basel, Switzerland; University of Basel, Basel, Switzerland.
| | - Walter P Weber
- Breast Center, University Hospital of Basel, Basel, Switzerland
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Oh MY, Kim Y, Kim J, Cheun JH, Jung JG, Kim HK, Lee HB, Han W. Comparison of Long-Term Oncological Outcomes in Oncoplastic Breast Surgery and Conventional Breast-Conserving Surgery for Breast Cancer: A Propensity Score-Matched Analysis. J Breast Cancer 2022; 24:520-530. [PMID: 34979598 PMCID: PMC8724379 DOI: 10.4048/jbc.2021.24.e52] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/15/2021] [Accepted: 12/08/2021] [Indexed: 12/26/2022] Open
Abstract
PURPOSE The oncoplastic breast-conserving surgery (OPS) technique, combined with the principles of oncological safety and plastic surgery, results in complete tumor resection while preserving the natural appearance of the breast. The purpose of this study was to evaluate the long-term oncological results after OPS compared with conventional breast-conserving surgery (BCS) for early breast cancer. METHODS The medical records of patients who underwent breast cancer surgery and adjuvant radiation therapy at Seoul National University Hospital between 2011 and 2014 were reviewed. Ipsilateral breast tumor recurrence (IBTR)-free survival rate and recurrence-free survival (RFS) rates were compared between the OPS and BCS groups. RESULTS One-to-one propensity score matching was conducted, yielding 371 patients in each group. The mean tumor distance from the nipple was shorter, and the mean retrieved specimen size and pathologic tumor size, including ductal carcinoma in situ, were larger in the OPS group than in the conventional BCS group (p < 0.001). Surgical margin positivity was not significantly different between the two groups (p = 0.777). The surgical technique was not significantly associated with IBTR (OPS versus conventional BCS, 5-year survival rate, 96.9% vs. 98.6%; p = 0.355) and RFS (5-year survival rate, 92.9% vs. 94.5%; p = 0.357) on the log-rank test. Multivariate analysis revealed that OPS versus conventional BCS was not significantly associated with survival outcomes. CONCLUSION We observed no significant differences in long-term IBTR and RFS between the OPS and conventional BCS groups in this retrospective analysis. OPS can be an oncologically and surgically safe alternative option for conventional BCS for early breast cancer.
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Affiliation(s)
- Moon Young Oh
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Yumi Kim
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea.,CHA Gangnam Medical Center, CHA University College of Medicine, Seoul, Korea
| | - Jiho Kim
- Seoul National University College of Medicine, Seoul, Korea
| | - Jong-Ho Cheun
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Ji Gwang Jung
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Hong-Kyu Kim
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Han-Byoel Lee
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea
| | - Wonshik Han
- Department of Surgery, Seoul National University College of Medicine, Seoul, Korea.,Cancer Research Institute, Seoul National University College of Medicine, Seoul, Korea.
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Nanda A, Hu J, Hodgkinson S, Ali S, Rainsbury R, Roy PG. Oncoplastic breast-conserving surgery for women with primary breast cancer. Cochrane Database Syst Rev 2021; 10:CD013658. [PMID: 34713449 PMCID: PMC8554646 DOI: 10.1002/14651858.cd013658.pub2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
BACKGROUND Oncoplastic breast-conserving surgery (O-BCS) involves removing the tumour in the breast and using plastic surgery techniques to reconstruct the breast. The adequacy of published evidence on the safety and efficacy of O-BCS for the treatment of breast cancer compared to other surgical options for breast cancer is still debatable. It is estimated that the local recurrence rate is similar to standard breast-conserving surgery (S-BCS) and also mastectomy, but the aesthetic and patient-reported outcomes may be improved with oncoplastic techniques. OBJECTIVES Our primary objective was to assess oncological control outcomes following O-BCS compared with other surgical options for women with breast cancer. Our secondary objective was to assess surgical complications, recall rates, need for further surgery to achieve adequate oncological resection, patient satisfaction through patient-reported outcomes, and cosmetic outcomes through objective measures or clinician-reported outcomes. SEARCH METHODS We searched the Cochrane Breast Cancer Group's Specialized Register, the Cochrane Central Register of Controlled Trials (CENTRAL), MEDLINE (via OVID), Embase (via OVID), the World Health Organization's International Clinical Trials Registry Platform and ClinicalTrials.gov on 7 August 2020. We did not apply any language restrictions. SELECTION CRITERIA We selected randomised controlled trials (RCTs) and non-randomised comparative studies (cohort and case-control studies). Studies evaluated any O-BCS technique, including volume displacement techniques and partial breast volume replacement techniques compared to any other surgical treatment (partial resection or mastectomy) for the treatment of breast cancer. DATA COLLECTION AND ANALYSIS Four review authors performed data extraction and resolved disagreements. We used ROBINS-I to assess the risk of bias by outcome. We performed descriptive data analysis and meta-analysis and evaluated the quality of the evidence using GRADE criteria. The outcomes included local recurrence, breast cancer-specific disease-free survival, re-excision rates, complications, recall rates, and patient-reported outcome measures. MAIN RESULTS We included 78 non-randomised cohort studies evaluating 178,813 women. Overall, we assessed the risk of bias per outcome as being at serious risk of bias due to confounding; where studies adjusted for confounding, we deemed these at moderate risk. Comparison 1: oncoplastic breast-conserving surgery (O-BCS) versus standard-BCS (S-BCS) The evidence in the review found that O-BCS when compared to S-BCS, may make little or no difference to local recurrence; either when measured as local recurrence-free survival (hazard ratio (HR) 0.90, 95% confidence interval (CI) 0.61 to 1.34; 4 studies, 7600 participants; very low-certainty evidence) or local recurrence rate (HR 1.33, 95% CI 0.96 to 1.83; 4 studies, 2433 participants; low-certainty evidence), but the evidence is very uncertain due to most studies not controlling for confounding clinicopathological factors. O-BCS compared to S-BCS may make little to no difference to disease-free survival (HR 1.06, 95% CI 0.89 to 1.26; 7 studies, 5532 participants; low-certainty evidence). O-BCS may reduce the rate of re-excisions needed for oncological resection (risk ratio (RR) 0.76, 95% CI 0.69 to 0.85; 38 studies, 13,341 participants; very low-certainty evidence), but the evidence is very uncertain. O-BCS may increase the number of women who have at least one complication (RR 1.19, 95% CI 1.10 to 1.27; 20 studies, 118,005 participants; very low-certainty evidence) and increase the recall to biopsy rate (RR 2.39, 95% CI 1.67 to 3.42; 6 studies, 715 participants; low-certainty evidence). Meta-analysis was not possible when assessing patient-reported outcomes or cosmetic evaluation; in general, O-BCS reported a similar or more favourable result, however, the evidence is very uncertain due to risk of bias in the measurement methods. Comparison 2: oncoplastic breast-conserving surgery (O-BCS) versus mastectomy alone O-BCS may increase local recurrence-free survival compared to mastectomy but the evidence is very uncertain (HR 0.55, 95% CI 0.34 to 0.91; 2 studies, 4713 participants; very low-certainty evidence). The evidence is very uncertain about the effect of O-BCS on disease-free survival as there were only data from one study. O-BCS may reduce complications compared to mastectomy, but the evidence is very uncertain due to high risk of bias mainly resulting from confounding (RR 0.75, 95% CI 0.67 to 0.83; 4 studies, 4839 participants; very low-certainty evidence). Data on patient-reported outcome measures came from single studies; it was not possible to meta-analyse the data. Comparison 3: oncoplastic breast-conserving surgery (O-BCS) versus mastectomy with reconstruction O-BCS may make little or no difference to local recurrence-free survival (HR 1.37, 95% CI 0.72 to 2.62; 1 study, 3785 participants; very low-certainty evidence) or disease-free survival (HR 0.45, 95% CI 0.09 to 2.22; 1 study, 317 participants; very low-certainty evidence) when compared to mastectomy with reconstruction, but the evidence is very uncertain. O-BCS may reduce the complication rate compared to mastectomy with reconstruction (RR 0.49, 95% CI 0.45 to 0.54; 5 studies, 4973 participants; very low-certainty evidence) but the evidence is very uncertain due to high risk of bias from confounding and inconsistency of results. The evidence is very uncertain for patient-reported outcome measures and cosmetic evaluation. AUTHORS' CONCLUSIONS The evidence is very uncertain regarding oncological outcomes following O-BCS compared to S-BCS, though O-BCS has not been shown to be inferior. O-BCS may result in less need for a second re-excision surgery but may result in more complications and a greater recall rate than S-BCS. It seems that O-BCS may give better patient satisfaction and surgeon rating for the look of the breast, but the evidence for this is of poor quality, and due to lack of numerical data, it was not possible to pool the results of different studies. It seems O-BCS results in fewer complications compared with surgeries involving mastectomy. Based on this review, no certain conclusions can be made to help inform policymakers. The surgical decision for what operation to proceed with should be made jointly between clinician and patient after an appropriate discussion about the risks and benefits of O-BCS personalised to the patient, taking into account clinicopathological factors. This review highlighted the deficiency of well-conducted studies to evaluate efficacy, safety and patient-reported outcomes following O-BCS.
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Affiliation(s)
- Akriti Nanda
- Department of Breast Surgery, Oxford University Hospitals, Oxford, UK
| | - Jesse Hu
- Division of Breast Surgery, National University Health System, Singapore, Singapore
| | - Sarah Hodgkinson
- Editorial & Methods Department, Cochrane Central Executive, London, UK
| | - Sanah Ali
- Medical School, Oxford University, Oxford, UK
| | | | - Pankaj G Roy
- Nuffield Department of Surgical Sciences, University of Oxford, Oxford, UK
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Kaviani A, Tabary M, Zand S, Araghi F, Patocskai E, Nouraie M. Oncoplastic Repair in Breast Conservation: Comprehensive Evaluation of Techniques and Oncologic Outcomes of 937 Patients. Clin Breast Cancer 2020; 20:511-519. [PMID: 32650989 DOI: 10.1016/j.clbc.2020.05.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 05/27/2020] [Accepted: 05/30/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND Breast-conserving surgery, especially with oncoplastic breast surgery (OBS), is becoming the standard of care in the surgical management of breast cancer. We investigated the applied technique of OBS and oncologic outcomes in a large series of patients. PATIENTS AND METHODS This study was conducted between January 2008 and June 2018 in two centers in Iran. Patients underwent OBS. Early and late postoperative complications, oncologic outcomes, and follow-up data were documented. RESULTS Nine hundred thirty-seven patients with a mean ± standard deviation age of 48.1 ± 11.3 underwent OBS. Most of the patients were diagnosed with early-stage disease, of which the most common pathology was invasive ductal carcinoma (83.3%). Lateral oncoplasty was the most commonly used OBS technique (324 cases, 34.6%). The most common complication was seroma formation. Reduction-type OBS technique had the highest rate of complications (13.1%). Thirty-four patients (5.4%) experienced local recurrence, with a median recurrence time of 26.4 months. Nine patients (1.3%) died from cancer recurrence. CONCLUSION OBS is a safe procedure with minor complications and good oncologic outcomes. These techniques can be applied to most patients who are candidates for breast-conserving surgery.
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Affiliation(s)
- Ahmad Kaviani
- Department of Surgery, Tehran University of Medical Sciences, Tehran, Iran; Department of Surgical Oncology, University of Montreal, Montreal, Canada.
| | | | - Sanaz Zand
- Research Department, Kaviani Breast Disease Institute (KBDI), Tehran, Iran
| | - Farnaz Araghi
- Skin Research Center, Shahid Beheshti Medical University, Tehran, Iran
| | - Erica Patocskai
- Department of Surgical Oncology, University of Montreal, Montreal, Canada
| | - Mehdi Nouraie
- Division of Pulmonary, Allergy and Critical Care Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, PA
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