Image registration between MRI and spot mammograms for X-ray guided stereotactic breast biopsy: preliminary results

S. Said; P. Clauser; N. V. Ruiter; P. A. T. Baltzer; T. Hopp

doi:10.1117/12.2581820

15 February 2021 Image registration between MRI and spot mammograms for X-ray guided stereotactic breast biopsy: preliminary results

S. Said, P. Clauser, N. V. Ruiter, P. A. T. Baltzer, T. Hopp

Author Affiliations +

Proceedings Volume 11598, Medical Imaging 2021: Image-Guided Procedures, Robotic Interventions, and Modeling; 115981C (2021) https://doi.org/10.1117/12.2581820
Event: SPIE Medical Imaging, 2021, Online Only

Abstract

Breast cancer is the most common cancer type among women. Approximately 40,000 women are expected to die from breast cancer every year. While digital mammography has a central role in the early diagnosis of breast cancer, many cancers are not visible in mammography, for example in women with dense breast tissue. Contrast enhanced magnetic resonance imaging (CE-MRI) of the breast is often used to detect lesions not visible in mammography. Lesions with suspicious characteristics on CE-MRI need to be further assessed with MRI-guided biopsy. However, MRI-guided biopsy is expensive, time consuming, and not widely available. In this paper, a novel method for a matching tool between MRI and spot mammograms is proposed. Our aim is to transfer information that is only visible in MRI onto mammographic spot projections, to enable X-ray guided biopsy even if the lesion is only visible in MRI. Two methods of registration in combination are used; a biomechanical model based registration between MRI and full view X-ray mammograms and a subsequent image based registration between full mammograms and spot mammograms. Preliminary results assessed for one patient from the Medical University of Vienna are presented. The target registration error (TRE) of biomechanical model based registration is 2.4 mm and the TRE of the image based registration is 9.5 mm. The total TRE of the two steps is 7.3 mm.

Conference Presentation

Citation Download Citation

S. Said, P. Clauser, N. V. Ruiter, P. A. T. Baltzer, and T. Hopp "Image registration between MRI and spot mammograms for X-ray guided stereotactic breast biopsy: preliminary results", Proc. SPIE 11598, Medical Imaging 2021: Image-Guided Procedures, Robotic Interventions, and Modeling, 115981C (15 February 2021); https://doi.org/10.1117/12.2581820

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