Objective: To evaluate the value of intraductal ultrasonography (IDUS) in the diagnosis and classification of bile duct stenosis.

目的：评估胆管内超声检查(IDUS)对胆管狭窄病因和分型的诊断价值。

youdao

Objective to compare the diagnostic accuracy of intraductal ultrasonography (IDUS) and endoscopic retrograde cholangiography (ERC) on extrahepatic bile duct stones.

目的比较十二指肠镜下胆管腔内超声(IDUS)和内镜下逆行胆管造影(ERC)诊断肝外胆管结石的作用。

youdao

Objective: To study the clinical value of intraductal ultrasonography (IDUS) in the diagnosis of pancreatic cancer and bile duct cancer.

目的：探讨胰胆管内超声对胰胆肿瘤的诊断价值。

youdao

Objective: To study the clinical value of intraductal ultrasonography (IDUS) in the diagnosis of pancreatic cancer and bile duct cancer.

目的：探讨胰胆管内超声对胰胆肿瘤的诊断价值。

youdao