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While advancements in plastic surgery techniques and technology have facilitated improved aesthetic outcomes in both cosmetic and reconstructive breast surgery, communicating potential outcomes to the patient prior to the surgery, and understanding their aesthetic preferences for breast shape and size still remains a challenge. Unrealistic expectations related breast aesthetics can lead to patients’ dissatisfaction with surgical outcomes. Currently, plastic surgeons rely on drawings or images of former patients to explain surgical procedures and their possible outcomes. The ability to visualize the expected post-surgery breast would, to a large extent, mitigate this challenge and aid both surgical planning, and inform decision making. In this work we propose a software tool that will enable visualization of three-dimensional (3D) images of patient’s breasts and allow real time simulation of morphological changes on the breast. 3D surface images of the patients’ torso were obtained using stereophotogrammetry during their clinical visits. The front torso area between the sternal notch and the umbilicus was captured. The breast region of interest was extracted semi-automatically from the 3D surface mesh of the torso and a computational model using Fourier based spherical harmonics (SPHARM) was created. SPHARM coefficients obtained from modeling were previously observed to have direct correlation with breast size and shape measurements, such as height, width, projection and ptosis. Simulation of breast shape changes was achieved by modifying these coefficients. We designed an application for visualization of the simulated breast on the 3D surface image of the torso with real time simulation of breast size changes by modifying the model parameters. The work in this study addresses design and development of the visualization software. Future work will focus on evaluating the visualization framework to assess surgeon and patient acceptance on usability, and feasibility for clinical translation.

Interactive Visualization of Breast Shape for Breast Surgery