Serial images of the surgical approach to the woman from Figure 5 who presented at 9-year old with MAS and extensive fibrous dysplasia complicated by growth hormone excess. A) The 3D model of the patient demonstrates the enlargement of the maxilla, mandible, and blockage of the nasal cavity by the FD at age 17 years. B) The left mandible was significantly contoured to more normal proportions. C) Aggressive contouring of the left maxilla as well as the opening of the occluded nasal cavity. D) The nasal trumpet (green) was necessary to maintain a patent passageway while healing from surgery. E&F) Intraoperative view of the surgically removed fibrous dysplastic bone.