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《Journal of Practical Training of Medicine》 2007-01
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The Clinical Study of Different Parameters DSA on Primay Hepatic Carcinoma

Tan Yiqing Zhang Xiaolin Wang Jun, et al.Department of Radiology, The First Clinical Medical College of Three Gorges University, Yichang 443003, China  
Objective:To discuss the lesion's blood supply of primay hepatic carcinoma(PHC) by hepatic artery routine angiography(RA) and long time low rate angiography(LTLRA), and to approach the sensititivity of lesion,s detection and measures of quality control(QC).Methods:220 cases of PHC diagnosed by clinic were classified RA and LTLRA groups according to the difference of DSA parameters. All patients were performed RA and LTLRA under the control of DSA. The DSA images were analyzed, and data were dealed with statistical method.Results:The study obtained 220 cases and 896 exposure sequences, and the quality of image was excellent in 726 sequences(81%). On DSA images, the PHC lesion's sign showed dilation of liver artery or its branches, invasion of liver artery, sign of grasping sphere, tumor vessels and tumor colouration, and fistula of liver atery-portal vein or liver atery-liver vein. The detecting rates of the sign of tumor vessels and tumor colouration were the highest(100%). The sign of blood supply was different in various size of lesions. The method of LTLRA detected more 129 lesions as many as RA, and increased 18.67% in detecting rate compared to RA. The statistical analysis showed that there was a significant difference in the sensitivity of lesion,s detection between RA and LTLRA(P0.05), especially as to the lesion with diameter 1 cm(P0.01).Conclusions:The different parameters angiography(RA and LTLRA) of hepatic artery had a great significance in detecting PHC lesions and displaying the lesion's blood supply. The method of LTLRA could remarkably increase the lesion,s detecting rate and especially presented more sensitive to the lesions with poor blood supply and small size. LTLRA of hepatic artery should become the routine examination of PHC.
【Fund】: 三峡大学第一临床医学院科研基金资助(KFJ2005018)
【CateGory Index】: R735.7
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