Young Koog Cheon

Summary

Affiliation: College of Medicine
Country: Korea

Publications

  1. pmc Role of photodynamic therapy in the palliation of obstructing esophageal cancer
    Hyeon Young Yoon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Korean J Intern Med 27:278-84. 2012
  2. pmc Current status of photodynamic therapy for bile duct cancer
    Tae Yoon Lee
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Clin Endosc 46:38-44. 2013
  3. pmc How to interpret a functional or motility test - sphincter of oddi manometry
    Young Koog Cheon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    J Neurogastroenterol Motil 18:211-7. 2012
  4. pmc Can postendoscopic retrograde cholangiopancreatography pancreatitis be prevented by a pharmacological approach?
    Young Koog Cheon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Korean J Intern Med 28:141-8. 2013
  5. doi request reprint New 10F soft and pliable polyurethane stents decrease the migration rate compared with conventional 10F polyethylene stents in hilar biliary obstruction: results of a pilot study
    Young Koog Cheon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Gastrointest Endosc 75:790-7. 2012
  6. pmc Longterm outcome of photodynamic therapy compared with biliary stenting alone in patients with advanced hilar cholangiocarcinoma
    Young Koog Cheon
    Department of Internal Medicine, Digestive Disease Centre, Konkuk University School of Medicine, Seoul, South Korea
    HPB (Oxford) 14:185-93. 2012
  7. pmc The role of photodynamic therapy for hilar cholangiocarcinoma
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soonchunhyang University College of Medicine, Seoul, Korea
    Korean J Intern Med 25:345-52. 2010
  8. doi request reprint Evaluation of long-term results and recurrent factors after operative and nonoperative treatment for hepatolithiasis
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Surgery 146:843-53. 2009
  9. pmc Endoscopic ultrasonography does not differentiate neoplastic from non-neoplastic small gallbladder polyps
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soon Chun Hyang University College of Medicine, 657 Hannam Dong, Yongsan Ku, Seoul, South Korea
    World J Gastroenterol 15:2361-6. 2009
  10. pmc Metal stenting to resolve post-photodynamic therapy stricture in early esophageal cancer
    Young Koog Cheon
    Department of Internal Medicine, Konkuk University School of Medicine, Gwangjin gu, Seoul 143 729, South Korea
    World J Gastroenterol 17:1379-82. 2011

Collaborators

Detail Information

Publications63

  1. pmc Role of photodynamic therapy in the palliation of obstructing esophageal cancer
    Hyeon Young Yoon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Korean J Intern Med 27:278-84. 2012
    ..The aim of this non-randomized study was to determine the role of photodynamic therapy (PDT) in a multimodal approach for the palliation of advanced esophageal carcinoma...
  2. pmc Current status of photodynamic therapy for bile duct cancer
    Tae Yoon Lee
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Clin Endosc 46:38-44. 2013
    ..Tumor ablation with PDT combined with biliary stenting reduces cholestasis and significantly improves median survival time in selected patients with bile duct cancers...
  3. pmc How to interpret a functional or motility test - sphincter of oddi manometry
    Young Koog Cheon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    J Neurogastroenterol Motil 18:211-7. 2012
    ..This section reviews indications, conscious sedative drugs, techniques, and the appropriate interpretations of SOM...
  4. pmc Can postendoscopic retrograde cholangiopancreatography pancreatitis be prevented by a pharmacological approach?
    Young Koog Cheon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Korean J Intern Med 28:141-8. 2013
    ....
  5. doi request reprint New 10F soft and pliable polyurethane stents decrease the migration rate compared with conventional 10F polyethylene stents in hilar biliary obstruction: results of a pilot study
    Young Koog Cheon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Gastrointest Endosc 75:790-7. 2012
    ..The newly designed polyurethane (PU) stent, which is made of a soft and pliable material, may prevent distal and proximal stent migration...
  6. pmc Longterm outcome of photodynamic therapy compared with biliary stenting alone in patients with advanced hilar cholangiocarcinoma
    Young Koog Cheon
    Department of Internal Medicine, Digestive Disease Centre, Konkuk University School of Medicine, Seoul, South Korea
    HPB (Oxford) 14:185-93. 2012
    ....
  7. pmc The role of photodynamic therapy for hilar cholangiocarcinoma
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soonchunhyang University College of Medicine, Seoul, Korea
    Korean J Intern Med 25:345-52. 2010
    ..Optimum control of tumor spread along the bile ducts and control of cholestasis and cholangitis will prolong survival in one to two thirds of patients, and renders them suitable for other antitumor therapies...
  8. doi request reprint Evaluation of long-term results and recurrent factors after operative and nonoperative treatment for hepatolithiasis
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Surgery 146:843-53. 2009
    ..We evaluated the long-term results of operative and nonoperative treatments and examined risk factors for the recurrence of stones or cholangitis...
  9. pmc Endoscopic ultrasonography does not differentiate neoplastic from non-neoplastic small gallbladder polyps
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soon Chun Hyang University College of Medicine, 657 Hannam Dong, Yongsan Ku, Seoul, South Korea
    World J Gastroenterol 15:2361-6. 2009
    ..To assess the ability of endoscopic ultrasonography (EUS) to differentiate neoplastic from non-neoplastic polypoid lesions of the gallbladder (PLGs)...
  10. pmc Metal stenting to resolve post-photodynamic therapy stricture in early esophageal cancer
    Young Koog Cheon
    Department of Internal Medicine, Konkuk University School of Medicine, Gwangjin gu, Seoul 143 729, South Korea
    World J Gastroenterol 17:1379-82. 2011
    ..However, multiple dilations might be required to achieve stricture resolution in some cases. We report the case of stricture that recurred after dilation with a bougie, which was completely relieved by a self-expandable metal stent...
  11. doi request reprint Direct peroral cholangioscopy using an ultra-slim upper endoscope for the treatment of retained bile duct stones
    Jong Ho Moon
    Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Bucheon, Seoul, Korea
    Am J Gastroenterol 104:2729-33. 2009
    ....
  12. doi request reprint Prophylactic temporary 3F pancreatic duct stent to prevent post-ERCP pancreatitis in patients with a difficult biliary cannulation: a multicenter, prospective, randomized study
    Tae Hoon Lee
    Digestive Disease Center, Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Cheonan, South Korea
    Gastrointest Endosc 76:578-85. 2012
    ..Difficult biliary cannulation can be a procedure-related risk factor for PEP. Recent studies reported that a prophylactic pancreatic stent (PS) can reduce the frequency and severity of PEP...
  13. doi request reprint Clinical feasibility of direct peroral cholangioscopy-guided photodynamic therapy for inoperable cholangiocarcinoma performed by using an ultra-slim upper endoscope (with videos)
    Hyun Jong Choi
    Digestive Disease Center, Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Gastrointest Endosc 73:808-13. 2011
    ..Cholangioscopy-guided PDT can be useful for identification of tumor margins, determination of the appropriate location for placement of the diffuser, and evaluation of the patient's response to therapy...
  14. doi request reprint Combined endoscopic stent-in-stent placement for malignant biliary and duodenal obstruction by using a new duodenal metal stent (with videos)
    Jong Ho Moon
    Digestive Disease Center, Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Bucheon, Korea
    Gastrointest Endosc 70:772-7. 2009
    ..Self-expandable metal stents (SEMSs) are an effective palliative treatment for malignant biliary or duodenal strictures, but endoscopic stenting for combined malignant biliary and duodenal obstruction remains technically difficult...
  15. ncbi request reprint Usefulness of pancreatic duct wire-guided endoscopic papillectomy for ampullary adenoma for preventing post-procedure pancreatitis
    Shin Hee Kim
    Digestive Disease Center and Research Institute, Department of Internal Medicine, Soonchunhyang University School of Medicine, Bucheon and Seoul, Korea
    Endoscopy 45:838-41. 2013
    ..Pancreatic duct wire-guided endoscopic snaring before resection can reduce the post-procedure stenting failure rate. We evaluated the usefulness of this approach...
  16. ncbi request reprint [Comparison of survival of advanced hilar cholangiocarcinoma after biliary drainage alone versus photodynamic therapy with external drainage]
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Korean J Gastroenterol 44:280-7. 2004
    ..The aim of this study was to compare overall survival of PDT plus biliary drainage versus biliary stent alone in advanced hilar cholangiocarcinoma...
  17. ncbi request reprint The detection of bile duct stones in suspected biliary pancreatitis: comparison of MRCP, ERCP, and intraductal US
    Jong Ho Moon
    Digestive Disease Center, Institute for Digestive Research, Soon Chun Hyang University School of Medicine, Seoul, Korea
    Am J Gastroenterol 100:1051-7. 2005
    ..The aim of this study was evaluation of the ability of MRCP to detect choledocholithiasis in patients with acute biliary pancreatitis. In addition, we investigated whether intraductal US (IDUS) could help manage these patients...
  18. ncbi request reprint Diagnostic utility of interleukin-6 (IL-6) for primary bile duct cancer and changes in serum IL-6 levels following photodynamic therapy
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Am J Gastroenterol 102:2164-70. 2007
    ..We evaluated the usefulness of serum IL-6 in the diagnosis of primary BDC and measured changes in serum IL-6 levels following photodynamic therapy (PDT)...
  19. doi request reprint Overtube-balloon-assisted direct peroral cholangioscopy by using an ultra-slim upper endoscope (with videos)
    Hyun Jong Choi
    Department of Internal Medicine, Digestive Disease Center, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Gastrointest Endosc 69:935-40. 2009
    ..Herein, we describe a novel method, overtube-balloon-assisted endoscopy, for direct POC...
  20. pmc Long-term result of endoscopic Histoacryl (N-butyl-2-cyanoacrylate) injection for treatment of gastric varices
    Eun Jung Kang
    Institute for Digestive Research, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul Hospital, Seoul 140 743, South Korea
    World J Gastroenterol 17:1494-500. 2011
    ..To evaluate the long-term efficacy and safety of endoscopic obliteration with Histoacryl(®) for treatment of gastric variceal bleeding and prophylaxis...
  21. doi request reprint The role of intraductal US in the management of idiopathic recurrent pancreatitis without a definite cause on ERCP
    Hyun Su Kim
    Digestive Disease Center, Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Gastrointest Endosc 73:1148-54. 2011
    ..The cause of pancreatitis is unknown in as many as 30% of cases of recurrent acute pancreatitis, even after ERCP...
  22. ncbi request reprint Wire-guided intraductal US in the assessment of bile duct strictures with Mirizzi syndrome-like features at ERCP
    Jong Ho Moon
    Institute for Digestive Research, Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Gastrointest Endosc 56:873-9. 2002
    ..The utility of transpapillary intraductal US for assessment of biliary strictures with radiographic features of Mirizzi syndrome was studied retrospectively...
  23. doi request reprint Intraductal balloon-guided direct peroral cholangioscopy with an ultraslim upper endoscope (with videos)
    Jong Ho Moon
    Department of Internal Medicine, Digestive Disease Center, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Gastrointest Endosc 70:297-302. 2009
    ..Although direct cholangioscopy with an ultraslim upper endoscope with a guidewire has been reported, success is not always guaranteed...
  24. doi request reprint The utility of a multibending endoscope for selective cannulation during ERCP in patients with a Billroth II gastrectomy (with video)
    Hyun Cheol Koo
    Department of Internal Medicine, Digestive Disease Center, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Gastrointest Endosc 69:931-4. 2009
    ..Selective cannulation in patients with a Billroth II gastrectomy is still challenging...
  25. doi request reprint Helicobacter pylori infection increases the risk of colorectal adenomas: cross-sectional study and meta-analysis
    Sung Noh Hong
    Department of Internal Medicine, Konkuk University School of Medicine, 4 12 Hwayang dong, Gwangjin gu, Seoul 143 729, Republic of Korea
    Dig Dis Sci 57:2184-94. 2012
    ..The studies concerning the association between Helicobacter pylori status and colorectal adenoma, premalignant lesions of colorectal cancers, are not consistent...
  26. pmc Clinical significance of occult hepatitis B virus infection in chronic hepatitis C patients
    Jae Young Jang
    Institute for Digestive Research, Digestive Disease Center, Department of Gastroenterology, Soon Chun Hyang University Seoul Hospital, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Korean J Hepatol 17:206-12. 2011
    ..We investigated the frequency of occult hepatitis B virus (HBV) infection in anti-hepatitis C virus (HCV)-positive individuals and the effects of occult HBV infection on the severity of liver disease...
  27. pmc Small sphincterotomy combined with endoscopic papillary large balloon dilation versus sphincterotomy
    Hyun Gun Kim
    Institute for Digestive Research, Department of Internal Medicine, College of Medicine, Soonchunhyang University, 657 Hannam Dong, Yongsan gu, Seoul 140 743, South Korea
    World J Gastroenterol 15:4298-304. 2009
    ..To compare small sphincterotomy combined with endoscopic papillary large balloon dilation (SES + ELBD) and endoscopic sphincterotomy (EST) for large bile duct stones...
  28. ncbi request reprint HBV DNA loss within 24 weeks predicts late viral breakthrough in chronic hepatitis B
    Seong Ran Jeon
    Institute for Digestive Research, Department of Internal Medicine, Soonchunhyang University Hospital, Seoul, Korea
    Korean J Gastroenterol 58:25-30. 2011
    ..The early fall of the HBV DNA level to undetectable levels assessed really whether it is related to late breakthrough...
  29. doi request reprint Cryptogenic pyogenic liver abscess as the herald of colon cancer
    Soung Won Jeong
    Institute for Digestive Research and Digestive Disease Center, Soonchunhyang University Hospital, Seoul, Korea
    J Gastroenterol Hepatol 27:248-55. 2012
    ..We retrospectively investigated the results of colonoscopy and the clinical characteristics of patients with pyogenic liver abscess of colonic origin...
  30. ncbi request reprint Endoscopic treatment of retained bile-duct stones by using a balloon catheter for electrohydraulic lithotripsy without cholangioscopy
    Jong Ho Moon
    Digestie Disease Center, Institute for Digestive Research, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Gastrointest Endosc 60:562-6. 2004
    ..The efficacy and the safety of electrohydraulic lithotripsy without cholangioscopy by using a balloon catheter were evaluated in patients with bile-duct stones that could not be extracted by using standard techniques...
  31. doi request reprint Endoscopic removal of an enterolith causing afferent loop syndrome using electrohydraulic lithotripsy
    Hwa Jong Kim
    Digestive Disease Center, Department of Internal Medicine and Radiology, Soon Chun Hyang University School of Medicine, and Soon Chun Hyang University Bucheon Hospital, Bucheon and Seoul, Korea
    Dig Endosc 22:220-2. 2010
    ..We describe a patient with acute afferent loop syndrome, which was induced by an enterolith after a Billroth II gastrectomy. We used electrohydraulic lithotripsy to endoscopically remove the enterolith...
  32. doi request reprint Anchoring of a fully covered self-expandable metal stent with a 5F double-pigtail plastic stent to prevent migration in the management of benign biliary strictures
    Jong Kyu Park
    Digestive Disease Center, Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Am J Gastroenterol 106:1761-5. 2011
    ..However, stent migration is an inherent problem of FCSEMSs. We evaluated the efficacy of anchoring with a 5F double-pigtail plastic stent (anchoring stent) to prevent migration of an FCSEMS in patients with BBS...
  33. doi request reprint Effects of vardenafil, a phosphodiesterase type-5 inhibitor, on sphincter of Oddi motility in patients with suspected biliary sphincter of Oddi dysfunction
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Gastrointest Endosc 69:1111-6. 2009
    ..Vardenafil inhibits the activity of phosphodiesterase type 5 (PDE-5), which degrades cyclic guanossine monophosphate (cGMP) and results in relaxation of smooth muscle...
  34. doi request reprint Optical biopsies by confocal endomicroscopy prevent additive endoscopic biopsies before endoscopic submucosal dissection in gastric epithelial neoplasias: a prospective, comparative study
    Seong Ran Jeon
    Department of Internal Medicine, Institute of Digestive Research, Soonchunhyang University Hospital, Seoul, Korea
    Gastrointest Endosc 74:772-80. 2011
    ..To our knowledge, there is no reported prospective study comparing endoscopic and optical biopsy using CLE before endoscopic submucosal dissection (ESD) with post-ESD histopathology...
  35. pmc Photodynamic therapy prolongs metal stent patency in patients with unresectable hilar cholangiocarcinoma
    Tae Yoon Lee
    Digestive Disease Center, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, South Korea
    World J Gastroenterol 18:5589-94. 2012
    ..To evaluate the effect of photodynamic therapy (PDT) on metal stent patency in patients with unresectable hilar cholangiocarcinoma (CC)...
  36. ncbi request reprint Use of detachable snares and elastic bands for endoscopic control of bleeding from large gastric varices
    Moon Sung Lee
    Department of Internal Medicine, Institute for Digestive Research, Soon Chun Hyang University, College of Medicine, Seoul, Korea
    Gastrointest Endosc 56:83-8. 2002
    ..Bleeding from gastric varices larger than 2 cm in diameter represents a major limitation for endoscopic hemostasis...
  37. doi request reprint Prospective, randomized, back-to-back trial evaluating the usefulness of i-SCAN in screening colonoscopy
    Sung Noh Hong
    Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Gastrointest Endosc 75:1011-1021.e2. 2012
    ..The newly developed i-SCAN application can theoretically maximize the effectiveness of colonoscopy. However, the practical usefulness of the i-SCAN application during screening colonoscopy has not been assessed...
  38. doi request reprint Pancreatic resection guided by preoperative intraductal ultrasonography for intraductal papillary mucinous neoplasm
    Young Koog Cheon
    Institute for Digestive Research and Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Am J Gastroenterol 105:1963-9. 2010
    ..We aimed to determine the role of intraductal ultrasonography (IDUS) in predicting the extension of IPMN, and in selecting the method of pancreatic resection and the long-term outcome after surgery...
  39. pmc Endoscopic Ultrasonograpic Findings of Benign Mediastinal and Abdominal Lymphadenopathy Confirmed by EUS-guided Fine Needle Aspiration
    Hae Jung Song
    Institute for Digestive Research, Digestive Disease Center, Soonchunhyang University College of Medicine, Seoul, Korea
    Gut Liver 1:68-73. 2007
    ..We tried to evaluate EUS findings of benign mediastinal and abdominal lymphadenopathy (BLAP) confirmed by EUS-guided fine needle aspiration (FNA)...
  40. ncbi request reprint Wire-guided endoscopic snare papillectomy for tumors of the major duodenal papilla
    Jong Ho Moon
    Department of Internal Medicine, Digestive Disease Center, Institute for Digestive Research, Soon Chun Hyang University College of Medicine, 657 Hannam Dong, Yongsan Ku, Seoul 140 743, Korea
    Gastrointest Endosc 61:461-6. 2005
    ..This study assessed the feasibility and the safety of endoscopic papillectomy with a guidewire and pancreatic-duct stent insertion to prevent pancreatitis...
  41. ncbi request reprint [A case of complete regression of hepatocellular carcinoma during administration of COX-2 inhibitor]
    Hae Jung Song
    Institute for Digestive Research, Department of Internal Medicine, Soon Chun Hyang University, College of Medicine, Seoul, Korea
    Korean J Hepatol 12:449-54. 2006
    ..Tumor enhancement on arterial phase CT completely disappeared without specific treatment for the HCC, and the tumor size decreased on the follow-up CT scan...
  42. ncbi request reprint [A common bile duct web in association with common bile duct stone]
    Seung Hoon Baek
    Institute for Digestive Research, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea
    Korean J Gastroenterol 46:306-9. 2005
    ..We report a case of a common bile duct septum in association with numerous large black pigment stones in a 62-year-old woman. The patient was treated by cholecystectomy with T-tube insertion...
  43. pmc Increased expression of cyclooxygenase-2 is associated with the progression to cirrhosis
    Soung Won Jeong
    Institute for Digestive Research and Digestive Disease Center, Soonchunhyang University College of Medicine, Seoul, Korea
    Korean J Intern Med 25:364-71. 2010
    ..To investigate the degree of cyclooxygenase-2 (COX-2) protein expression in chronic hepatitis and cirrhosis...
  44. ncbi request reprint [An experience of cyberknife treatment in patients with advanced pancreaticobilliary malignancy]
    Yun Ho Jung
    Division of Radiation Oncology, Institute for Digestive Research, Digestive Disease Center, Department of Internal Medicine, Soonchunhyang University College of Medicine, Seoul, Korea
    Korean J Gastroenterol 58:264-9. 2011
    ..But, clinical course of CyberKnifeTM treatment have not been established yet, so we report the experience of CyberKnifeTM treatment in 19 patients with recurred or advanced pancreaticobilliary malignancies...
  45. doi request reprint Clinical role of frequency-doubled double-pulsed yttrium aluminum garnet laser technology for removing difficult bile duct stones (with videos)
    Young Deok Cho
    Department of Internal Medicine, Institute for Digestive Research, Soon Chun Hyang University, College of Medicine, Seoul, Korea
    Gastrointest Endosc 70:684-9. 2009
    ..Very few clinical trials have reported on the success rate of frequency-doubled double-pulse yttrium aluminum garnet (YAG) laser (FREDDY) technology for removal of difficult bile duct stones...
  46. pmc Wire-guided endoscopic snare retrieval of proximally migrated pancreatic stents after endoscopic papillectomy for ampullary adenoma
    La Young Yoon
    Digestive Disease Center, Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Gut Liver 5:532-5. 2011
    ..Wire-guided endoscopic snare retrieval seems to be a safe and effective method for removing proximally migrated PD stents after EP...
  47. doi request reprint Use of udenafil is not associated with a reduction in post-ERCP pancreatitis: results of a randomized, placebo-controlled, multicenter trial
    Hyoung Chul Oh
    Division of Gastroenterology, Chung Ang University College of Medicine, Seoul, Korea
    Gastrointest Endosc 74:556-62. 2011
    ..Udenafil, a phosphodiesterase-5 inhibitor, may decrease sphincter of Oddi tone and allow efficient cannulation...
  48. ncbi request reprint Ascaris-induced acute pancreatitis treated endoscopically
    Young Deok Cho
    Institute for Digestive Research, Digestive Disease Center, Seoul, Korea
    Gastrointest Endosc 66:1226-7; discussion 1227. 2007
  49. ncbi request reprint Pedunculated leiomyoma
    Dae Hee Han
    Instituter for Digestive Research, Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Gastrointest Endosc 61:429. 2005
  50. ncbi request reprint Pancreatic duct-portal vein fistula
    Young Deok Cho
    Institute for Digestive Research, Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Gastrointest Endosc 58:415. 2003
  51. ncbi request reprint Biliary metal stent as a nidus for bile duct stone
    Young Koog Cheon
    Department of Internal Medicine, Soon Chun Hyang University College of Medicine, 657 Hannam Dong, Youngsan Ku, Seoul 140 743, Korea
    Korean J Intern Med 17:57-60. 2002
    ..The removed stone with endoscopic sphincterotomy was soft and dark brown in color with metal stent...
  52. pmc Effect of transdermal fentanyl patches on the motility of the sphincter of oddi
    Hyun Cheol Koo
    Digestive Disease Center, Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Gut Liver 4:368-72. 2010
    ..Transdermal fentanyl patches (TFPs) are long-acting analgesics with a reduced risk of dependency. This prospective study evaluated the effect of TFPs on sphincter of Oddi (SO) motility for the management of pain in pancreatitis...
  53. pmc Bile-Duct Stone Removal under Direct Transnasal Cholangioscopy Using an Ultraslim Upper Endoscope
    Mi Seon Seo
    Digestive Disease Center, Department of Internal Medicine, Soon Chun Hyang University School of Medicine, Bucheon and Seoul, Korea
    Gut Liver 4:428-9. 2010
    ..Direct TNC using an ultraslim upper endoscope may be useful in selected patients with biliary disease...
  54. pmc A spontaneously ruptured gastric stromal tumor with cystic degeneration presenting as hemoperitoneum: a case report
    Young Koog Cheon
    Department of Internal Medicine, Institute for Digestive Research, Soon Chun Hyang University College of Medicine, Seoul, Korea
    J Korean Med Sci 18:751-5. 2003
    ..Immunohistochemical examination revealed positive reactivity to C-kit protein and CD34. The patient presented with hemoperitoneum due to spontaneous rupture of the tumor, which is an extremely rare complication...
  55. doi request reprint Direct cholangioscopy-based holmium laser lithotripsy of difficult bile duct stones by using an ultrathin upper endoscope without a separate biliary irrigating catheter
    Tae Yoon Lee
    Digestive Disease Center, Konkuk University Medical Center, Konkuk University School of Medicine, Hwayangdong, Gwangjingiu, Seoul, Korea
    Photomed Laser Surg 30:31-6. 2012
    ....
  56. ncbi request reprint Isolated ileocecal lymphoma
    Hae Jung Song
    Digestive Disease Center, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Gastrointest Endosc 61:293-4. 2005
  57. pmc Outcome of photodynamic therapy for early esophageal cancer
    Young Koog Cheon
    Department of Internal Medicine, Institute for Digestive Research, Soon Chun Hyang University College of Medicine, Seoul, Korea
    Gut Liver 1:126-31. 2007
    ..Although photodynamic therapy (PDT) has been used for the endoscopic treatment of digestive cancer, its curative efficacy remains unclear. We evaluated the curative efficacy of PDT in superficial esophageal cancer in inoperable patients...
  58. doi request reprint Clinical feasibility of a new through-the-scope fully covered esophageal self-expandable metallic stent: an in vivo animal study
    Young Koog Cheon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Dig Endosc 26:32-6. 2014
    ..The purpose of the present study was to evaluate the clinical feasibility of a newly developed fully covered, self-expanding, through-the-scope (TTS) esophageal stent in a porcine model...
  59. ncbi request reprint Long-term outcome of photodynamic therapy with systemic chemotherapy compared to photodynamic therapy alone in patients with advanced hilar cholangiocarcinoma
    Mi Jin Hong
    Department of Internal Medicine, Digestive Disease Centre, Konkuk University School of Medicine, Seoul, Korea
    Gut Liver 8:318-23. 2014
    ..Recently, photodynamic therapy (PDT) has been proposed as a palliative and neoadjuvant modality. We evaluated whether combination of PDT and chemotherapy is more effective than PDT alone...
  60. ncbi request reprint Elevated hemoglobin A1c levels are associated with worse survival in advanced pancreatic cancer patients with diabetes
    Young Koog Cheon
    Digestive Disease Center, Department of Internal Medicine, Konkuk University School of Medicine, Seoul, Korea
    Gut Liver 8:205-14. 2014
    ..This study aimed to evaluate the impact of hemoglobin A1c (HbA1c) levels on PC survival...