Abstract: BACKGROUND AND STUDY AIMS: Diagnostic endoscopic retrograde cholangiography (ERC) is being replaced by endoscopic ultrasonography (EUS) in patients with suspected bile duct stones.

• 摘要：背景和研究目的：内镜超声检查法(EUS)代替诊断性内窥镜逆性胆管造影术(ERC)检查可疑的胆管结石患者。