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目的探讨超声背向散射积分(IBS)技术对甲亢性肝病及脂肪肝所致的肝脏损害的诊断价值。方法将临床确诊的甲亢性肝病、脂肪肝患者分为两组。Ⅰ组甲亢性肝病,Ⅱ组脂肪肝。测量各组肝包膜和肝实质近场、中场及远场的平均值(AII),计算出校正AI(IAII%)。结果 (1)Ⅰ组肝实质近、中、远场及肝包膜AII值和AII%值较对照组无显著差异(P>0.05)。(2)Ⅱ组肝实质近、中场及肝包膜AII值和AII%值较对照组明显升高(P<0.05)。(3)Ⅱ组肝实质远场AII值和AII%值较对照组及Ⅰ组明显减低(P<0.01)。(4)Ⅱ组肝实质近、中、远场AII值和AII%值逐渐减低(P<0.05)。结论超声背向散射积分(IBS)技术为临床无痛创评价不同病因所致肝脏损害提供一种新的检测手段。
Objective To investigate the diagnostic value of ultrasound backscatter integration (IBS) for hyperthyroidism and liver damage caused by fatty liver. Methods The clinically diagnosed patients with hyperthyroidism and fatty liver were divided into two groups. Ⅰ group of hyperthyroidism liver disease, Ⅱ group of fatty liver. The mean (AII) of proximal, midfield and far field of liver capsule and liver parenchyma in each group were measured to calculate corrected AI (IAII%). Results (1) There was no significant difference in the AII value and AII% value of hepatic parenchyma in the group Ⅰ (P> 0.05) compared with the control group. (2) The AII and AII% values in group Ⅱ were significantly higher than those in control group (P <0.05). (3) The AII and AII% values of far-field in group Ⅱ were significantly lower than those in control group and group Ⅰ (P0.01). (4) The AII and AII% values in the proximal, middle and far fields in group Ⅱ decreased gradually (P <0.05). Conclusion Ultrasound Backscatter Integral (IBS) technique provides a new detection method for evaluating the liver damage caused by different etiologies for clinical painlessness.