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

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。

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Endoscopic ultrasonography(EUS) has been applying in more and more fields because of its unique function in recent years.

超声内镜因具有独特的功能，其临床应用价值正被不断地扩展。

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Objective To evaluate the value of endoscopic ultrasonography (EUS) in the diagnosis of colorectal eminence lesions.

目的探讨内镜超声检查（EUS）对大肠隆起性病变的诊断价值。

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