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声学密度(acoustic densitometry,AD)技术是以背向散射积分(integrated backscatter,IBS)为基础的超声组织定量方法[1]。IBS是近年来发展起来的一项新的超声组织定征的新技术,目的在于协助研究者将超声图像中的亮度(强度)信号进行定量化。本文采用AD技术检测慢性肾功能不全不同
Acoustic densitometry (AD) is a quantitative method of ultrasound tissue based on integrated backscatter (IBS) [1]. IBS is a new technique of ultrasound tissue characterization developed in recent years, which aims to help researchers to quantify the intensity (intensity) signal in ultrasound images. This article uses the AD technology to detect different chronic renal insufficiency