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Single-Port Robotic-assisted Transaxillary Breast-conserving Surgery: A Prospective, Single-arm, Non-randomized Phase IIa Clinical Trial
Published on: August 19, 2025
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Oncoplastic Breast-Conserving Surgery in Iceland: A Population-Based Study
E P Palsdottir1, S H L Lund2, K S A Asgeirsson3
11 Faculty of Medicine, University of Iceland, Reykjavík, Iceland.
Summary
Oncoplastic breast-conservation surgery (OBS) is as safe and effective as standard breast-conservation surgery (BCS), with similar patient satisfaction. OBS may be preferable for ductal carcinoma in situ, offering comparable outcomes in selected cases.
Area of Science:
- Oncology
- Surgical Oncology
- Breast Surgery
Background:
- Oncoplastic breast-conservation surgery (OBS) has been utilized in Iceland since 2008.
- Assessing the efficacy and patient satisfaction of OBS compared to standard breast-conservation surgery (BCS) is crucial for optimizing breast cancer treatment.
Purpose of the Study:
- To compare the efficacy and patient satisfaction between standard breast-conservation surgery (BCS) and oncoplastic breast-conservation surgery (OBS).
- To evaluate outcomes such as surgical margins, complications, reoperations, and adjuvant therapy timing.
Main Methods:
- Population-based, retrospective, observational cohort study.
- Inclusion of all women undergoing breast-conserving surgery in Iceland between January 1, 2008, and December 31, 2014.
- Multivariate logistic and linear regression analyses, alongside a patient satisfaction questionnaire.
Main Results:
- Oncoplastic breast-conservation surgery (OBS) involved significantly larger and heavier breast specimens compared to standard breast-conservation surgery (BCS).
- No significant differences were found in surgical margin involvement, complication rates, reoperation frequency, or time to adjuvant therapy between OBS and BCS.
- Patient satisfaction was high in both groups, with no statistically significant difference observed.
Conclusions:
- Oncoplastic breast-conservation surgery (OBS) is demonstrated to be at least as safe as standard breast-conservation surgery (BCS) in selected breast cancer cases.
- OBS may offer advantages, particularly in cases of ductal carcinoma in situ, while maintaining comparable oncological and patient-reported outcomes.
- The study supports the use of OBS as a safe and effective alternative to BCS, contributing to improved breast cancer management strategies.
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