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Digital twins for non-invasive tumor localization in breast-conserving surgery: a technical pilot study
Rafaela Timóteo1, Alexandre Laborde2, Bruno Vaz2
1School of Medicine, University of Lisbon, Av. Prof. Egas Moniz MB, 1649-028, Lisboa, Portugal; Breast Cancer Research Program, Champalimaud Foundation, Av Brasília, 1400-038, Lisboa, Portugal.
None:
Inaccurate tumor localization in breast-conserving surgery (BCS) can lead to positive margins and re-excision. In this technical pilot study, Digital Twins (DT) were used for non-invasive tumor localization in the operating room. Breast DTs were generated from supine breast magnetic resonance imaging and registered to patients in real-time using a 3D sensing system during four surgeries. Alignment accuracy was measured via nipple deviations (0-5 mm). Setup and marking times were clinically acceptable, with high perceived usability (SUS = 95). These preliminary results demonstrate the potential of integrating DTs into surgical workflows.
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