Preoperative MRI may enable personalized breast prosthesis sizing after mastectomy

A preoperative MRI-based method for breast prosthesis sizing achieved volume measurement consistency of less than 0.5% across three cases, suggesting potential to personalize fitting after mastectomy.

• The approach uses open-source 3D Slicer software for segmentation and volume calculation, comparing voxel-based and closed-surface methods.
• The method avoids postoperative physical exposure and posture-dependent scanning, potentially reducing psychological discomfort.

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