Abstract
Autologous free fat graft is a widely accepted method of facial contour restoration in Parry-Romberg syndrome (PRS); however, complex and unpredictable facial anatomy can render this surgery extremely challenging. The integration of 3-dimensional (3D) technology strategies as a method to enhance surgical aesthetic outcomes has been demonstrated.A retrospective chart review was performed for PRS with autologous, free fat graft between 2016 and 2017. Based on 3D volumetric facial analysis and presurgical simulation, a 3D printed fat graft guide was produced. Surgical outcomes were analyzed by volumetric measurements of the upper, middle, and lower face segments.A total of 9 patients were included in the study. Their upper and middle facial volumes before and after the procedures showed statistically significant volume augmentation (upper face, P = 0.004; middle face, P = 0.002) 6 months postoperatively (T1). Facial asymmetry was also statistically significantly corrected (middle face P = 0.012; lower face P = 0.025) at 1 year after the procedure (T2).The advantageous application of 3D comprehensive technology for aesthetic improvements in patients with PRS with autologous, free fat graft treatment has been demonstrated. Precise preoperative planning based on simulations and postoperative 3D volumetric analyses can help adequately predict fat graft strategies.
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