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Study of the average grey scale values and color point percentage in normal and cirrhotic livers before and after Levovist enhancement


, : Study of the average grey scale values and color point percentage in normal and cirrhotic livers before and after Levovist enhancement. Zhongguo Chaosheng Yixue Zazhi 16(3): 165-167

Objective: Computer digitally expresses the average grey scale values and color point percentages in normal and cirrhotic livers before and after Levovist enhancement. Methods: The livers of 12 normal subjects and 28 patients with cirrhosis were detected by HP Sonos 2500 before and after Levovist enhancement. The regions of interest of the color and black and white images were sampled, processed and digitally expressed. Results: After injection Levovist, the clarity of black and white images and the signals of color Doppler all enhanced in normal and cirrhotic livers. The average grey scale values are enhanced from 66.07+-10.65 to 77.78+-12.42 in normal livers; 79.64+-16.38 to 92.06+-19.15 in cirrhotic livers; color point percentages 1.12+-0.23 to 13.0+-5.25 in normal livers; and 1.26+-0.61 to 8.27+-6.11 in cirrhotic livers. Conclusion: The average grey scale values of cirrhotic livers are higher than that of normal livers; after enhancement, the increased degree of color point percentages in cirrhotic livers are fewer significantly than that in normal livers, which must be correlated to pathological changes. Computer digitall express the average grey scale values and color point percentages of livers is a new trial. It should be valuable for judging the degree of liver cirrhosis.

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