Intraductal Ultrasonography without Radiocontrast Cholangiogram in XXXX with Extrahepatic Biliary Disease.

@entity1 @entity788 @entity1126 @entity253 @entity2877
Background/Aims: Intraductal ultrasonography (IDUS) has been performed as an adjunct to endoscopic retrograde cholangiography (ERC) during radiocontrast cholangiography (RC). Radiation exposure during RC poses a health risk to both @entity1 and examiners. We evaluated the feasibility of IDUS without RC in various extrahepatic @entity253 . Methods: IDUS was performed with the insertion of an IDUS probe from the papilla of Vater to the confluent portion of the common hepatic duct without fluoroscopy. The technical success rate and procedure-related complications were evaluated retrospectively. Results: Wire-guided IDUS without RC was performed in 105 @entity1 . The mean age was 66.5 years, and 50 (47.6%) were male. The IDUS diagnoses included @entity2877 (73, 69.5%), benign biliary stricture (11, 10.5%), @entity2877 with @entity788 (9, 8.6%), @entity1126 (5, 4.8%), @entity788 (1, 0.9%), and others (6, 5.7%). After IDUS, 66 (62.8%) underwent stone removal, 19 (18.1%) underwent biliary drainage, and 7 (6.6%) underwent brush cytology and biopsy. No significant complications such as perforation or severe @entity788 occurred. Conclusions: IDUS without RC was a feasible and safe approach in @entity1 with various extrahepatic @entity253 . We anticipate a potentially important role of IDUS in various ERC procedures because it lacks the hazards of RC.
