Background/AimsIntraductal 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 patients and examiners. We evaluated the feasibility of IDUS without RC in various extrahepatic biliary diseases.MethodsIDUS 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.ResultsWire-guided IDUS without RC was performed in 105 patients. The mean age was 66.5 years, and 50 (47.6%) were male. The IDUS diagnoses included choledocholithiasis (73, 69.5%), benign biliary stricture (11, 10.5%), choledocholithiasis with biliary pancreatitis (9, 8.6%), bile duct cancer (5, 4.8%), pancreatic cancer (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 pancreatitis occurred.ConclusionsIDUS without RC was a feasible and safe approach in patients with various extrahepatic biliary diseases. We anticipate a potentially important role of IDUS in various ERC procedures because it lacks the hazards of RC.
Endoscopic scissors offer a benefit over other devices by avoiding potential complications related to thermal and mechanical injury of surrounding structures. We describe our experience with endoscopic scissors in three difficult endoscopic interventions. A fishbone embedded in the esophageal wall penetrated very close to the pulsating aorta and the bronchus. The fishbone was cut in half by endoscopic scissors and removed without injury to adjacent organs. A gastric submucosal tumor with an insulated core that could not be resected by electrosurgical devices was cut using endoscopic scissors following endoloop placement. Extravascular coil migration after transcatheter arterial embolization resulted in a duodenal ulcer. The metallic coil on the duodenal ulcer was cut by endoscopic scissors without mechanical or thermal injury.
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