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目的探讨超声组织定征(UTC)对慢性乙型肝炎肝脏炎性病变不同程度进行量化诊断的作用。方法用UTC视频法测量慢性乙型肝炎患者二维超声图像的灰阶值,并与其肝穿病理组织学肝脏炎性病变分级对比。结果UTC视频法测出的肝脏声像图的灰阶值在慢性乙型肝炎病理组织学肝脏炎性病变分级中的差异有统计学意义(P<0.01)。肝脏炎性病变分级G0、G1、G2和G3各组间灰阶值的差异均有显著意义(P<0.05)。结论可用超声视频法这一无创性的检查方法对慢性乙型肝炎肝脏炎性病变的程度进行声像图量化诊断。
Objective To investigate the role of ultrasonography (UTC) in quantitative diagnosis of hepatic inflammatory lesions in chronic hepatitis B patients. Methods The grayscale values of two-dimensional ultrasound images of patients with chronic hepatitis B were measured by UTC video method and compared with the histopathological grades of liver inflammatory lesions. Results The grayscale value of liver sound image obtained by UTC video method was significantly different in grading of pathological liver inflammation of chronic hepatitis B (P <0.01). Grades of G0, G1, G2 and G3 in grading of inflammatory lesions of liver were all significantly different (P <0.05). Conclusion Ultrasound video method, a noninvasive method, can be used to quantitatively diagnose the degree of hepatic inflammatory lesions in patients with chronic hepatitis B.