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[Application of three-dimensional reconstruction of the enhanced CT with iPlan CMF software in head and neck
1Department of Oral and Maxilloficial Surgery, Peking University School and Hospital of Stomatology & National Enginee-ring Laboratory for Digital and Material Technology of Stomatology & Beijing Key Laboratory of Digital Stomatology, Beijing 100081,China.
Objective:
Three-dimensional reconstruction of the enhanced CT is increasingly becoming a valuable tool in head and neck neoplasms. The aim of this study is to reconstruct three-dimensional imaging of tumor and its surrounding important anatomical structure using iPlan CMF software, and to investigate the application of three-dimensional tumor mapping technique for the diagnosis and treatment of the head and neck neoplasms.
Methods:
In the study, 13 cases with head and neck tumors in Department of Oral and Maxilloficial Surgery, Peking University School and Hospital of Stomatology from June 2014 to June 2015 were studied using spiral CT scanning technology based on the same scanning condition. iPlan CMF software was used to read the original CT data, and surface shaded technology was applied to reconstruct the spatial relationship of the tumor, vessel and skull. The distance between the tumor and its surrounding important anatomical structure could be measured. iPlan CMF software was also used to accomplish the virtual osteotomy to expose the tumor, vessel and skull. The preoperative preparation, operative situation and postoperative complication were reviewed.
Results:
In this study 6 patients were male and 7 female. The age range was from 23 to 65 years, and the median patient age was 50 years. The three-dimensional reconstruction image clearly demonstrated the extent of the tumor size, location, and the relation to its surrounding important anatomical structure. According to the three-dimensional image, the surgical risk of the patients was evaluated. The preoperative preparation and surgeries were successfully performed for 10 patients. Blood transfusion for 3 patients was considered before the surgery and actually accomplished during the operation. The operations for 2 patients were performed with the help of doctors from other departments. Only one patient had hoarseness because the tumor resulted from the pneumogastric nerves. For 10 patients, the average operation time was (202±135) min, and the average operation bleeding was (235±252) mL. The other 3 patients were not suitable cases for surgery.
Conclusion:
The three-dimensional reconstruction of enhanced CT image with iPlan CMF software is very helpful to make the treatment plan to avoid damaging important anatomical structures and postoperative complications.
