BACKGROUND: This trial was designed to study performance of a novel handheld probe (Dune Medical Devices, Caesarea, Israel) in intraoperative detection of positive margins and its potential benefit toward minimizing the positive margin rate. METHODS: The probe was intraoperatively applied to 57 lumpectomy specimens. Surgeons were blinded to device output, and surgical decisions were not affected by probe data. Probe readings were compared with histological analysis per margin and per patient. RESULTS: Nineteen of 22 (86%) pathology-positive patients were intraoperatively detected with device use. Per-margin sensitivity was .71, and specificity was .68, maintained within a range of positive margin definitions (0-.4 cm). CONCLUSIONS: The device is an effective tool for intraoperative detection of positive margins with the potential for significant positive margin rate reduction.
BACKGROUND: This trial was designed to study performance of a novel handheld probe (Dune Medical Devices, Caesarea, Israel) in intraoperative detection of positive margins and its potential benefit toward minimizing the positive margin rate. METHODS: The probe was intraoperatively applied to 57 lumpectomy specimens. Surgeons were blinded to device output, and surgical decisions were not affected by probe data. Probe readings were compared with histological analysis per margin and per patient. RESULTS: Nineteen of 22 (86%) pathology-positive patients were intraoperatively detected with device use. Per-margin sensitivity was .71, and specificity was .68, maintained within a range of positive margin definitions (0-.4 cm). CONCLUSIONS: The device is an effective tool for intraoperative detection of positive margins with the potential for significant positive margin rate reduction.
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