Image-Guided Navigation in Optimizing Surgical Management of Craniomaxillofacial Fibrous Dysplasia
Background: Fibrous dysplasia is a benign developmental dys-plastic disorder of the bone in which abnormal fibroblastic proliferation replaces the normal bone matrix. Craniomaxillofacial fibrous dysplasia can cause severe deformity with devastating functional and aesthetic consequence. Precise surgical removal of the fibro-osseous tissue is the key to ultimately restore normal function and aesthetics. Navigational surgical tool has become a useful adjunct in the surgical management of the craniomaxillofacial skeleton. Methods: Thirteen patients with facial asymmetry and deformity caused by craniomaxillofacial fibrous dysplasia were enrolled into this study. With preoperative planning and three-dimensional simulation, normal anatomic contours of the deformed area were recreated by superimposing unaffected to the affected side. After registration, surgical facial recontouring was performed under the guidance of navigation system. Results: Good accuracy was achieved with the registration of patients facial skeleton and preoperative three-dimensional reconstructed model in all the cases. With intraoperative navigational guidance, facial bone recontouring was performed uneventfully in all cases. Surgical accuracy was evaluated by comparing the preoperative and postoperative computed tomography scan measurement. The mean maximum discrepancy between the actual surgical reduction and preoperative planning was less than 2 mm. Symptoms associated with optical nerve compression were eliminated in affected individuals. All patients facial symmetry and aesthetics were improved. Conclusion: Navigation-guided facial bone recontouring is a valuable treatment modality in managing craniomaxillofacial fibrous dysplasia.
Surgery navigation system craniofacial fibrous dysplasia three-dimensional surgical planning facial bone recontouring
Xudong Wang Yanping Lin Hongbo Yu Andrew Hua-an Cheng Hao Sun Chengtao Wang Guofang Shen
Department of Oral and Maxillofacial Surgery, Shanghai 9th Peoples Hospital, School of Medicine School of Mechanical En-gineering, Shanghai Jiao Tong University, Shanghai, Peoples Republic of Chi Oral and maxillofacial Surgery Unit, Royal Adelaide Hos- pital, University of Adelaide, Adelaide, So
国际会议
上海
英文
407-411
2011-12-28（万方平台首次上网日期，不代表论文的发表时间）