肝門部膽管癌三維可視化診治平臺(tái)的構(gòu)建及臨床應(yīng)用研究
[Abstract]:Background the incidence of hilar cholangiocarcinoma is on the rise. Surgical resection is the most important method in the treatment of hilar cholangiocarcinoma. In recent years, with the development of digital medicine technology and the promotion and practice of three-dimensional visualization accurate diagnosis and treatment, 3D visualization technology and 3D printing technology are applied more and more in the field of medicine at home and abroad. 3D visualization model is helpful for accurate diagnosis of hilar cholangiocarcinoma, preoperative evaluation and accurate operation, which is gradually accepted by hepatobiliary surgeons. Objective: 1. To optimize the method of abdominal enhanced CT scanning to obtain high quality submillimeter helical CT data of hepatic hilar tumors. 2. The 3D reconstruction method based on surface rendering and volume rendering is studied to construct the 3D visualization model of hilar cholangiocarcinoma quickly and qualitatively. (3) to construct a three-dimensional visual diagnosis and treatment platform for hilar cholangiocarcinoma, to establish the management process of the platform and to discuss its clinical significance; (4) to explore the clinical application value and significance of three-dimensional visualization technique in preoperative evaluation of surgical treatment of hilar cholangiocarcinoma. Methods: the CT data of patients with hilar cholangiocarcinoma were obtained by retrospective case analysis, the 3D visualization model of abdominal medical image was constructed, the procedure of 3D visualization diagnosis and treatment platform was established and its clinical significance was discussed. To evaluate the clinical value and significance of three-dimensional visualization technique in preoperative evaluation of surgical treatment of hilar cholangiocarcinoma. Statistical analysis: the morphologic changes and the results of surgery and pathology (gold standard) were examined by 蠂 2 test, and the mean 鹵standard deviation was used to show the measurement data according to the normal distribution. SpSS19.0 statistical APP was selected to analyze all the original data. Results: 1. Acquiring high quality submillimeter CT data and constructing three-dimensional model can clearly reproduce the characteristics of hepatic hilar anatomical structure and successfully construct a three-dimensional visual diagnosis and treatment platform for hilar cholangiocarcinoma. 2. Under the guidance of 3D visualization, the clinical classification, resectability evaluation and preoperative planning of hilar cholangiocarcinoma were carried out, especially in the case of intrahepatic duct variation, the operative planning was guided, and the treatment plan was determined, so as to guide the actual operation during the operation. The results of individualized vessel classification of hilar cholangiocarcinoma guided by three-dimensional visualization were consistent with intraoperative exploration. Conclusion: 1. High-quality submillimeter CT data can provide high resolution imaging features of human abdominal organs and blood vessels and meet the requirements of 3D model data segmentation and 3D reconstruction. 2. The 3D model of hepatic hilar tumor can make accurate and systematic diagnosis of the shape and location of the tumor and the spatial anatomical relationship of the hepatic ducts, and instruct the surgeon to evaluate the resectability of the tumor. 3. The workflow of the three-dimensional visual diagnosis and treatment platform for hilar tumor patients is reasonable and has the value of clinical application demonstration. 4. For patients with hilar cholangiocarcinoma, three dimensional visualization technique was used to optimize the operation path by preoperative operation planning. Especially in the presence of intrahepatic bile duct or vascular variation, preoperative observation of three-dimensional visual model can effectively avoid iatrogenic injury, in order to achieve preoperative accurate diagnosis and treatment of an innovative method, has a certain clinical application value and prospects.
【學(xué)位授予單位】:南方醫(yī)科大學(xué)
【學(xué)位級別】:博士
【學(xué)位授予年份】:2017
【分類號】:R735.8
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