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类型Application of a medical image processing system in liver transplantation.pdf

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    Application of medical image processing system in liver transplantation
    资源描述:
    Original Article/Transplantation
    Application of a medical image processing
    system in liver transplantation
    Chi-hua Fang, Xiao-feng Li, Zhou Li, Ying-fang Fan, Chao-min Lu
    Yan-peng Huang and Feng-ping Peng
    Guangzhou, China
    BACKGROUND: At present, imaging is used not only to show KEY WORDS: computed tomography;
    the form of images, but also to make three-dimensional (3D
    digital reconstruction;
    reconstructions and visual simulations based on original data
    simulation surgery;
    to guide clinical surgery. This study aimed to assess the use of
    liver transplantation
    a medical image-processing system in liver transplantation
    surgery
    METHODS: The data of abdominal 64-slice spiral CT scan Introduction
    were collected from 200 healthy volunteers and 37 liver cancer
    patients in terms of hepatic arterial phase, portal phase, and
    rogression liver transplantation has been rap
    hepatic venous phase. A 3D model of abdominal blood vessels
    with the development of surgical techniques in
    including the abdominal aorta system, portal vein system, and
    recent years. At present, liver transplantation is
    inferior vena cava system was reconstructed by an abdominal the preferred treatment for end-stage liver diseases u
    image processing system to identify vascular variations. Then, However, the complexity of the liver in view of its
    a 3D model of the liver was reconstructed in terms of hepatic internal structure and its vascular system makes
    segmentation and liver volume was calculated. The Freeform transplantation the most challenging among all
    modeling system with a PHANTOM force feedback device was
    used to simulate the real liver transplantation environment, i
    surgeries on the liver. Preoperative images by plain CT
    which the total process of liver transplantation was completed Scanning together with other examinations on
    aow
    surgeons to establish rough views of the anatomical
    RESULTS: The reconstructed model of the abdominal blood
    vessels and the liver was dearly demonstrated to be three- T Pathological structure of the liver, which is of little
    dimensionally consistent with the anatomy of the liver, help in the Preoperative evaluation of the risk of
    in which the variations of abdominal blood vessels were transplantation. There is an urgent need to make an
    identified and liver segmentation was performed digitally In accurate comprehensive assessment of liver disease, blood
    the model, liver transplantation was simulated subsequently, vessels, and bile duct with non-invasive or minimal
    and different modus operandi were selected successfully.
    invasive imaging technology in order to provide a basis
    CONCLUSION: The digitized medical image processing for surgeons to evaluate the possibility, the difficulty, and
    system may be valuable for liver transplantation
    the risk of operation and to make sensible preoperative
    (Hepatobiliary Pancreat Dis Int 2010; 9: 370-375) Prepa xanto digitized models of abdominal blood vessels and livers
    of donors and recipients based on abdominal 64-slice
    spiral CT scan data with a digital image processing
    system, establish an environment for visually simulated
    surgery, and perform visually simulated surgery in the
    Author Affiliations Department of Hepatobi
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