肝癌是较常见且恶性程度很高的恶性肿瘤之一,早期诊断主要依赖各种影像学方法和血清甲胎蛋白的检测,但是由于小肝癌的超声表现缺乏特异性,即使应用彩色多普勒超声诊断仍存在较多困难。近年来,由于新型声学造影剂及其 Liver cancer is one of the more common and malignant malignant tumors. Early diagnosis mainly depends on various imaging methods and serum alpha-fetoprotein detection. However, due to the lack of specificity of ultrasound in small hepatocellular carcinoma, even though color Doppler ultrasound Diagnosis is still more difficult. In recent years, due to the new type of acoustic contrast agent and its