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Breastgan: Artificial Intelligence-enabled Breast Augmentation Simulation
Christian Chartier, DEC1, Ayden Watt, BS2, Akash Chandawarkar, MD3, James Lee, MD, MS4, Elizabeth Hall-Findlay, MD5.
1McGill University Faculty of Medicine, Montreal, QC, Canada, 2McGill University Department of Experimental Surgery, Montréal, QC, Canada, 3Manhattan Eye, Ear, and Throat Institute, New York City, NY, USA, 4McGill University Health Centre, Montréal, QC, Canada, 5Banff Plastic Surgery, Canmore, AB, Canada.

PURPOSE:
Managing patient expectations is important to ensuring patient satisfaction in aesthetic medicine. To this end, computer technology developed to photograph, digitize, and manipulate three-dimensional (3D) objects has been applied to the female breast. However, the systems remain complex, physically cumbersome, and extremely expensive. The authors of the current study wish to introduce the plastic surgery community to BreastGAN (Breast Generative Adversarial Network), a portable, artificial intelligence-equipped tool trained on real clinical images to simulate breast augmentation outcomes.
METHODS:
Charts of all patients who underwent bilateral breast augmentation performed by the senior author were retrieved and analyzed. Frontal before and after images were collected from each patient’s chart, cropped in a standardized fashion, and used to train a neural network designed to manipulate before images to simulate a surgical result. AI-generated frontal after images were then compared to the real surgical results.
RESULTS:
Standardizing the evaluation of surgical results is a timeless challenge which persists in the context of AI-synthesized after images. In this study, AI-generated images were comparable to real surgical results (Figure 1).
CONCLUSION:
This study features a portable, cost-effective neural network trained on real clinical images and designed to simulate surgical results following bilateral breast augmentation. Tools trained on a larger dataset of standardized surgical image pairs will be the subject of future studies.
Figure 1. Sample of BreastGAN testing results.


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