Peroral cholangioscopy in the new millennium.

Peroral cholangioscopy was first described in 1970s and has recently gained popularity. Peroral cholangioscopy is appealing to therapeutic endoscopists because a direct intraluminal view of the biliary duct system offers possibilities for diagnosis and interventions beyond that which other imaging or endoscopic modalities can provide. As the image quality of cholangioscopies improves, so too does their diagnostic capability, and as their durability and maneuverability increases, so too does their potential use for therapeutic applications. This editorial is intended to provide a brief review of recent developments in peroral cholangioscopy and current indications for its use.

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