T Ihrai1, D Quaranta2, Y Fouche2, J-C Machiavello2, I Raoust2, C Chapellier3, C Maestro3, M Marcy4, J-M Ferrero2, B Flipo2. 1. Centre Antoine Lacassagne, Breast Cancer and Reconstructive Surgery Unit, France. Electronic address: t_ihrai@yahoo.fr. 2. Centre Antoine Lacassagne, Breast Cancer and Reconstructive Surgery Unit, France. 3. Centre Antoine Lacassagne, Radiology Unit, France. 4. Centre Antoine Lacassagne, Pathology Unit, France.
Abstract
UNLABELLED: A prospective study was lead in order to analyze the accuracy of an X-ray device settled in the operating room for margin assessment, when performing breast-conserving surgery. PATIENTS AND METHODS: One hundred and seventy patients were included. All lesions were visible on the preoperative mammograms. An intraoperative X-ray of the lumpectomy specimen was systematically performed for margins assessment. Final histological data were collected and the accuracy of intraoperative specimen radiography (IOSR) for margin assessment was analyzed. RESULTS: IOSR allowed an evaluation of margins status in 155 cases (91.2%). After final histological examination, the positive margins rate would have been 6.5% if margin assessment had relied only on IOSR. CONCLUSION: Margin assessment with a two-dimensional X-ray device would have allowed the achievement of negative margins in 93.5% of the cases. Moreover, this procedure allows important time-saving and could have a substantial economical impact.
UNLABELLED: A prospective study was lead in order to analyze the accuracy of an X-ray device settled in the operating room for margin assessment, when performing breast-conserving surgery. PATIENTS AND METHODS: One hundred and seventy patients were included. All lesions were visible on the preoperative mammograms. An intraoperative X-ray of the lumpectomy specimen was systematically performed for margins assessment. Final histological data were collected and the accuracy of intraoperative specimen radiography (IOSR) for margin assessment was analyzed. RESULTS: IOSR allowed an evaluation of margins status in 155 cases (91.2%). After final histological examination, the positive margins rate would have been 6.5% if margin assessment had relied only on IOSR. CONCLUSION: Margin assessment with a two-dimensional X-ray device would have allowed the achievement of negative margins in 93.5% of the cases. Moreover, this procedure allows important time-saving and could have a substantial economical impact.
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