544 results on '"Choi, Hyun Jong"'
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2. Efficacy of a novel lumen-apposing metal stent for the treatment of symptomatic pancreatic pseudocysts (with video)
3. Efficacy of 3 fine-needle biopsy techniques for suspected pancreatic malignancies in the absence of an on-site cytopathologist
4. Enhanced electrochemical performance of metal-supported solid oxide fuel cells via an inner coating of Gd0.1Ce0.9O2-δ nanosol in the porous NiFe-metal support
5. Bilateral versus unilateral placement of metal stents for inoperable high-grade malignant hilar biliary strictures: a multicenter, prospective, randomized study (with video)
6. Educational Materials for Block Programming-Based Data Structures to Enhance Teacher Competence in Software Classes
7. Vascular enhancement pattern of mass in computed tomography may predict chemo-responsiveness in advanced pancreatic cancer
8. Die Megacity und das Christentum
9. Enhanced PEC characteristics for CdSe polycrystalline film electrodes prepared by combined electrochemical/chemical bath depositions
10. Densification of gadolinia-doped ceria diffusion barriers for SOECs and IT-SOFCs by a sol–gel process
11. Efficacy and Safety of Therapeutic Endoscopic Retrograde Cholangiopancreatography in the Elderly Over 80 Years
12. Peroral Cholangioscopy: Diagnostic and Therapeutic Applications
13. Wire‐guided intraduodenal ultrasonography using a catheter probe in the differential diagnosis of enlarged ampullary lesions
14. KRAS mutation analysis by next‐generation sequencing in endoscopic ultrasound‐guided sampling for solid liver masses
15. Prophylactic temporary 3F pancreatic duct stent to prevent post-ERCP pancreatitis in patients with a difficult biliary cannulation: a multicenter, prospective, randomized study
16. Feasibility of placing a modified fully covered self-expandable metal stent above the papilla to minimize stent-induced bile duct injury in patients with refractory benign biliary strictures (with videos)
17. A Triple Approach for Diagnostic Assessment of Endoscopic Ultrasound-Guided Fine Needle Aspiration in Pancreatic Solid Masses and Lymph Nodes
18. Fabrication and performance evaluation of electrolyte-combined α-LiAlO 2 matrices for molten carbonate fuel cells
19. Benefit of pronase in image quality during EUS
20. Holmium laser lithotripsy under direct peroral cholangioscopy by using an ultra-slim upper endoscope for patients with retained bile duct stones (with video)
21. The role of intraductal US in the management of idiopathic recurrent pancreatitis without a definite cause on ERCP
22. Usefulness of Intraductal Ultrasonography in Icteric Patients with Highly Suspected Choledocholithiasis Showing Normal Endoscopic Retrograde Cholangiopancreatography
23. Delayed Endoscopic Papillary Large Balloon Dilation After Sphincterotomy for Removing Large Bile Duct Stones in Patients with Acute Cholangitis
24. Comparison of Endoscopic Papillary Balloon Dilation and Sphincterotomy in Young Patients with CBD Stones and Gallstones
25. Endoscopic wire-guided papillectomy versus conventional papillectomy for ampullary tumors: A prospective comparative pilot study
26. # 1883 The role of endoscopic biliary drainage without sphincterotomy in gallstone patients with cholangitis and suspected common bile duct stone not detected by cholangiogram and intraductal ultrasonography
27. Direct insertion of an ultra-slim upper endoscope for cholangioscopy in patients undergoing choledochoduodenostomy
28. Usefulness of endoscopic ultrasound-guided sampling using core biopsy needle as a percutaneous biopsy rescue for diagnosis of solid liver mass: Combined histological-cytological analysis
29. Clinical usefulness of intraductal ultrasonography for the management of acute biliary pancreatitis
30. Efficacy of carbon dioxide versus air insufflation according to different sedation protocols during therapeutic endoscopic retrograde cholangiopancreatography: Prospective, randomized, double-blind study
31. Predictability of preoperative 18F-FDG PET for histopathological differentiation and early recurrence of primary malignant intrahepatic tumors
32. Combined endoscopic stent-in-stent placement for malignant biliary and duodenal obstruction by using a new duodenal metal stent (with videos)
33. Intraductal balloon-guided direct peroral cholangioscopy with an ultraslim upper endoscope (with videos)
34. Newly designed stent for endoscopic bilateral stent-in-stent placement of metallic stents in patients with malignant hilar biliary strictures: multicenter prospective feasibility study (with videos)
35. The utility of a multibending endoscope for selective cannulation during ERCP in patients with a Billroth II gastrectomy (with video)
36. Overtube-balloon–assisted direct peroral cholangioscopy by using an ultra-slim upper endoscope (with videos)
37. Intraductal placement of modified fully covered metallic stent for distal malignant biliary obstruction: P-295
38. Repetitive endoscopic revision for high-grade malignant hilar biliary strictures previously managed by bilateral stent-in-stent placement with cross-wired metallic stents: P-296
39. Vascular enhancement pattern of mass in computed tomography may predict chemo-responsiveness in advanced pancreatic cancer: O-092
40. Technical Feasibility and Revision Efficacy of the Sequential Deployment of Endoscopic Bilateral Side-by-Side Metal Stents for Malignant Hilar Biliary Strictures: A Multicenter Prospective Study
41. Balanced Propofol Sedation Versus Propofol Monosedation in Therapeutic Pancreaticobiliary Endoscopic Procedures
42. Endoscopic double-metallic stenting for malignant biliary and duodenal obstructions
43. Therapeutic role of direct peroral cholangioscopy using an ultra-slim upper endoscope
44. Outcome of palliative self-expanding metal stent placement in malignant colorectal obstruction according to stent type and manufacturer
45. Characteristics of aluminum-reinforced γ-LiAlO2 matrices for molten carbonate fuel cells
46. One-step transfistula large versus conventional balloon dilation following precut fistulotomy in difficult biliary cannulation for the removal of biliary stones: A multicenter retrospective study
47. Endoscopic papillary large balloon dilation for the management of recurrent difficult bile duct stones after previous endoscopic sphincterotomy
48. Papillary balloon dilation is not itself a cause of post-endoscopic retrograde cholangiopancreatography pancreatitis; results of anterograde and retrograde papillary balloon dilation
49. Direct biliary drainage using transnasal endoscopy for patients with severe-to-moderate acute cholangitis
50. Uncovered self-expandable metallic stent placement as a first-line palliative therapy in unresectable malignant duodenal obstruction
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