Does surgeon-performed intraoperative wire localization allow for lower margin positivity rates compared to radiologist-performed preoperative localization in early breast cancer? - 13/12/24
Abstract |
Background |
This study compares positive margin rates in breast conserving surgery (BCS) for early breast cancer using two localization techniques: surgeon-performed intraoperative ultrasound-guided wire localization (IOWL) versus radiologist-performed preoperative wire localization (POWL).
Methods |
Patients with unifocal breast cancer undergoing BCS with follow-up at a single institution were retrospectively identified. Factors associated with positive margins were identified.
Results |
177 patients underwent IOWL (N = 85) or POWL (N = 92). There was a significantly lower rate of positive margins for IOWL vs. POWL (7.1 % vs. 23.9 %, p = 0.002) and a corresponding lower rate of re-excision for IOWL vs. POWL (5.9 % vs. 18.5 %, p = 0.011). Presence of DCIS was associated with positive margins (p = 0.015). After adjusting for presence of DCIS, tumor size, and volume of tissue removed, the positive margin rate was significantly lower in the IOWL group compared to the POWL group (aOR 0.34, 95 % CI 0.13–0.93).
Conclusions |
In this study, adjusted analysis favored IOWL in achieving negative tumor margins. Prospective studies are needed to further explore the impact of IOWL on quality, cost-effectiveness, and patient experience.
Il testo completo di questo articolo è disponibile in PDF.Graphical abstract |
Highlights |
• | Surgeon-performed intraoperative wire localization of breast cancer is understudied. |
• | Margin positivity rates are potentially lower if localization is performed by surgeons. |
• | Presence of DCIS is associated with positive margins. |
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Vol 239
Articolo 115986- gennaio 2025 Ritorno al numero
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