翻译：CEUS在胆管疾病中的应用价值通过前面的讲解接下来我们总结下ICCEUS在胆管系统中的应用价值首先相比常规超声ICCEUS能更清晰的显示引流管位置及尖端评估引流管是否在胆管腔内；ICCEUS能显著提高对梗阻性黄疸的梗阻部位及狭窄程度的诊断从而实时优化PTCD的置管策略并有助于肝门胆管癌的分型；能够及时发现相关并发症等

The application value of CEUS in biliary tract diseases Based on the previous explanations, let's now summarize the application value of ICCEUS in the biliary tract system. Firstly, compared to conventional ultrasound, ICCEUS can provide clearer visualization of the position and tip of drainage tubes, and evaluate whether the drainage tube is inside the bile duct lumen. ICCEUS can significantly improve the diagnosis of the site and degree of obstruction in obstructive jaundice, thereby optimizing the placement strategy of PTCD in real time, and assisting in the classification of hilum cholangiocarcinoma. It can also timely detect related complications, etc