The study concludes that preoperative MRI scans do not aid in reducing the likelihood of positive surgical margins during lumpectomy for early-stage breast cancer. Researchers are exploring alternative methods to assess margin status during surgery to avoid traumatic re-operations. The study involved over 630 patients with early-stage breast cancer, randomly assigned to partial mastectomy with or without cavity shaving, with 193 patients undergoing preoperative MRI. Despite differences in positive surgical margins before cavity shaving, the use of MRI did not show a statistically significant impact. The cost and potential stress of MRI exams for patients were highlighted, with the study suggesting that MRI does not help achieve negative margins during initial surgery.
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by Liam Davenpo... at www.medscape.com 04-27-2023
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