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Application value of three- dimensional reconstruction technique of rotational digital subtraction angioraphy in interventional treatment for liver cancer
Author(s): 
Pages: 851-854
Year: Issue:  6
Journal: Chinese Journal of Medical Physics

Keyword:  liver cancerinterventional treatmentrotational digital subtraction angioraphythree-dimensional reconstruction;
Abstract: Objective To study on the application value of three- dimensional reconstruction technique of rotational digital subtraction angioraphy(rotational 3D-DSA) in the interventional treatment for liver cancer. Methods Admitted to our hospital,52 patients with liver cancer were respectively examined by conventional DSA and rotational DSA. The acquired rotational DSA images were processed by 3D reconstruction technique and a variety of post-processing software was applied to present patients’ blood vessels and lesions. And then the patients’ blood vessels and lesions of rotational DSA images were compared with those of conventional DSA images. Results Among the 52 patients, rotational 3D- DSA clearly showed the relationship between tumor and supply vessels, and the perspective of supply arteries, while the conventional DSA examination results showed the tumor supply arteries of 12 patients could not be clearly presented and that the supply arteries of small lesions around the main lesion of 2 patients could not be clearly presented. The efficiency difference of the two methods had statistical significance(P=0.001). Conclusion In the interventional therapy for liver cancer, rotational 3D-DSA has obvious advantages,clearly showing the relationship between tumor and supply arteries, and the perspective of supply arteries, which is an important supplement for the conventional DSA examination.
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