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the best care

Gastroenterology Prof. Cho, Hyn Keun

Schedule Mon Tues Wed Thurs Fri Sat


Pancreas, Biliary disease, functional dyspepsia , Gastrointestinal diseases, Digestive endoscopy

Professor Career

  • Yonsei University
  • Inha University
  • Kwandong University
  • Catholic Kwandong University

Medical Experience

  • Gastroenterology, Gangnam Severance hospital, Yonsei University
  • Gastroenterology, Inha University hospital
  • Head, Gastroenterological center, Myeongji hospital, Kwandong University
  • Gastroenterology, International St. Mary's hospital. Catholic Kwandong University

Society, Research, Training, Awards

  • Columbia University Medical Center at New York Division of preventive medicine & nutrition, Visiting Professor
  • Board of gastrointestinal endoscopy
  • Gastroenterologist
  • Member, The Korean Society of Gastrointestinal Endoscopy
  • Korean Pancreatobiliary Association
  • The Korean Society of Gastroenterology
  • The Korean Society of Gastroenterology
  • Medical doctor

  • Paper
  1. Choi JW, Lee JY, Cho, Cho HG*. Superior mesenteric artery syndrome treated with percutaneous radiologic gastrojejunostomy. Korean J gastroenterolol 2016, 67(6): 321-6
  2. Kim HM, Cho JH, Choi JY, Chun SW, Kim YJ, Cho HG , Song SY, Han KJ. NSAID is inversely associated with asymptomatic gastric ulcer: Local health examination data from the Korean National Health Insurance Corporation. Scand J Gastroenterol. 2013;48(12):1371-6.
  3. Lee S, Moon CM, Kim YJ, Cho JH, Kim HM, Han KJ, Cho HG , Lee SW, Oh HE, Song JS, Yi SY, Son NH. Diagnostic accuracy of narrow band imaging for predicting colon polyp histology can be affected by polyp characteristics. Hepatogastroenterology. 2013;60(125):1028-34.
  4. Chun SW, Choi JS, Kang BD, Kim YJ, Han KJ, Cho HG , Oh HE, Cho JH. A case of IgG4 associated sclerosing cholangitis without clinical manifestations of autoimmune pancreatitis. Korean J Gastroenterol. 2013 ;62(1):69-74.
  5. Choi JS, Choi JY, Cho HG , Han KJ, Kim HM, Cho JH, Kim YJ. Is esophagogastroduodenoscopy necessary in patients with positive fecal occult blood tests and negative colonoscopy? Scand J Gastroenterol. 2013 ;48(6):657-62.
  6. Dong SH, Cho HG*, Baek JH, Kang BD, Kim MS, Cho JH, Lee JH, Chun SW. A Case of Successful Treatment of Portal Venous Gas Caused by Acute Pancreatitis. Korean J Gastroenterol 2013;61:170-173.
  7. Choi JS, Youn YH, Lee SK, Choi JY, Kim HM, Kim YJ, Han KJ, Cho HG, Song SY, Cho JH. Which should go first during same-day upper and lower gastrointestinal endoscopy? A randomized prospective study focusing on colonoscopy performance. Surg Endosc 2013 27:2209 2215.
  8. Cho JH, Kim HM, Lee S, Kim YJ, Han KJ, Cho HG, Song SY. A pilot study of single-use endoscopy in screening acute gastrointestinal bleeding. World J Gastroentero. 2013;19(1):103-107.
  9. Cho JH, Jeon TJ, Choi JS, Kim HM, Park JY, Kim YJ, Han KJ, Cho HG, Bang S, Song SY. EUS finding of geographic hyperechoic area is an early predictor for severe acute pancreatitis. Pancreatology 2012:12:495-501.
  10. Cho JH, Kim HM, Ko GJ, Moon CM, Woo ML, Kim YJ, Han KJ, Song SY, Cho HG. Old age and male gender are associated with increased risk of asymptomatic erosive esophagitis: anysis data from local heath examinations by the Korean National Health Insurance Corporation. J Gatroenterol Hepatol 2011:26:1034-1038.
  11. Park HB, Cho HG*, Kim YJ, Park KS, Woo ML, Ko GJ, Oh HE, Yi SY. A case of Ectopic Sebaceous Glands in the Esophagus. Korean J Gastrointest Endosc 2010:41:155-158.
  12. Kwon HJ, Woo ML, Park KS, Yi SY, Cho HG, Moon YM, Cho JH. A case of hepatitis A and E coinfection in an autoimmune hepatitis patient. Korean J Med 2009;77 Suppl.1:S52-S56.
  13. Kwon HJ, Cho HG*, Kim MH, Ko GJ, Jeong JH, Song JS. A case of a duodenal gasteroentestinal stromal tumor with a bleeding ulcer. Korean J Gastrointest Endosc 2009;39:42-45.
  14. Wang KS, Cho HG*, Kim JH, Kim MH, Park IS, Park Jk, Kim MS. A case of Morgagni hernia with intestinal obstruction. Korean J Med 2009;76:481-484.
  15. Woo ML, Cho JH, Kim JH, Kim MH, Kwon HJ, Wang KS, Yi SY, Cho HG*. Anti-tuberculosis agents induced pseudomembraneous colitis treated with maintaining anti-tuberculous drugs. Korean J Gastrointest Endosc 2009;38:47-51.
  16. Kim S, Park KM, Ko JY, Kwon IC, Cho HG, Kang D, Yu IT, Kim K, Na K. Minimalism in fabrication of self-organized nanogels holding both anti-cancer drug and targeting moiety. Colloids and Surfaces B: Biointerfaces 2008;63: 55-63.
  17. Wang KS, Kim MH, Woo ML, Choi JS, Cho HG, Moon YM. A case of esophageal and gastric foreign bodies induced by Cyanonoacrylate ingestion. Korean J Gastrointest Endosc 2008:36:224-227.
  18. Choi KK, Park JK, Jeong JH, Lee JI, Moon HJ, Lee JH, Shin HJ, Ahn HJ, Park K, Cho HG, Yi SY, Park G. Acute lower gastrointestinal bleeding from the appendix diagnosed by abdominal multidector computed tomography: A case report and review of the literature. Journal of the Korean society of Coloproctology 2007;23:518-523
  19. Han SG, Han KJ, Cho HG*, Gham CW, Choi CH, Hwang SY, Song S. A case of successful treatment of stomal variceal bleeding with transjugular intrahepatic portosystemic shunt and coil embolization. J Korean Med sci 2007;22: 583-587.
  20. Cho HG*, Hong SI, Choi JY, Kim MH, Han KJ, Park IS, Kim MS. A case of choledochocele with parapapillary diverticulum presenting as pancreatitis. Korean J Gastrointest Endosc 2007:34:119-124
  21. Lee EJ, Gham CW, Park TW, Hong SI, Ko GJ, Choi CH, Han KJ, Cho HG, Lee JE, Kim JY. The effect of Helicobacter pylori eradication on the improvement of the symptoms in patients with functional dyspepsia and peptic ulcer disease. Korean J Med 2006;71:141-148
  22. Hwang SY, Cho HG*, Kwon HJ, Ko GJ, Choi CH, Gahm CW, Han KJ, Jeong JH, Kim MS. A case of anomalous drainage of the common bile duct into the duodenal bulb with pancreatic duct anomaly. Korean J Gastrointest Endosc 2006:32:352-356
  23. Hwang SY, Choi CH, Rhie SY, Do MY, Lee SH, Kim HJ, KIM JU, KIM JK, Chang SK, Park SM, Gham CW, Han KJ, Cho HG. The frequency and related factors of irritable bowel syndrome in health check up subjects. Kor J Neurogasteroenterol Motil 2006:12:136-143
  24. Ko GJ, Han KJ Han SG, Hwang SY, Choi CH, Gahm CW, Cho HG*, Song S, Jung JH. A case of spontaneous dissection of the superior mesenteric artery treated by percutaneous stent placement. Korean J Gastroenterol 2006:47; 165-172
  25. Kim SS, Choi CH, Choi HS, Park IW, Gham CW, Cho HG, Yi SY. A case of eosinophilic enterocolitis associated with eosinophilic ascites and cystitis. Korean J Med 2005;69 Suppl. III:s746-s752
  26. Yoon SJ, Ryu ST, Suh JH, Jeong S, Lee JW, Kwon KS, Lee DH, Kim PS, Hur C, Cho HG*, Kim HG, Shin YW, Kim YS. The usefulness of endoscopic retrograde biliary drainage using plastic stents for patients with common bile duct stone. Korean J Gastrointest Endosc 2003:26:205-209
  27. Kim P, Lee J, Pai SH, Kim Y, Cho JK, Lee JW, Jeong S, Lee DH, Kim HG, Kwon KS, Cho HG, Shin YW, Kim YS. Detection of Helicobacter pylori antigen in stool by enzyme immunoassay Yonsei Med J 2002;43:7-13
  28. Lee J, Lee JW, Jang CS, Kwon ES, Min HY, Jeong S, Kwon KS, Lee DH, Cho HG, Kim P, Kim HG, Shin YW, Kim YS. Successful cyclophosphamide therapy in recurrent eosinophilic colitis associated with hypereosinophilic syndrome. Yonsei Med J 2002;43:267-270
  29. Kim WS, Kim PS, Jeong S, Sim MR, Yang MH, Kim SY, Kwon KS, Lee DH, Cho HG, Kim HG, Shin YW, Kim YS. A case of epidermoid cyst of the liver. Korean J Med 2002;62:661-666
  30. Kim WS, Lee JW, Lee ES, Yang MH, Park SW Kim SY, Jeong S, Lee DH, Kim PS, Kim HG, Kwon KS, Cho HG, Kim HG, Shin YW, Kim YS. A case of isolated superior mesenteric vein thrombosis in acute pancreatitis. Korean J Gastroenterol 2002:40; 68-71
  31. Yang MH, Jeong S, Lee JW, Lee DH, Kim PS, Kim HG, Park SW, Kim HS, Lee CK, Kim WS, Kwon KS, Cho HG, Shin YW, Kim YS. A Case massive bleeding in jejunal tuberculosis treated by transcatheter embilization. Korean J Gastrointest Endosc 2002:24:239-244
  32. Kwak YG, Jeong S, Lee JW, Lee DH, Kim PS, Kim HG, Cho YB, Kwon KS, Cho HG, Shin YW, Kim YS. Recurrence after ductal dilatation of intrahepatic biliary strictures in patients with hepatolithiasis. Korean J Gastrointest Endosc 2002;25:19-24
  33. Eom HS, Kim PS, Lee JW, Pai SH, Lee JW, Choi W, Lee DH, Kwon KS, Cho HG, Kim HG, Shin YW, Kim YS. Evaluation of four commercial enzyme immunoassay for detection of helicobacter pylori infection. Korean J Gastroenterol. 2001;37:312-318
  34. Kim IH, Lee DH, Lee JW, Choi W, Kim PS, Kim HG, Kwon KS, Cho HG, Shin YW, Kim YS, Kim YB. Immunohistochemical evaluation of Ki - 67 , p53 , K - ras expression in chronic pancreatitis and pancreatic adenocarcinoma. Korean J Gastroenterol. 2001 ;37:370-378
  35. Park SJ, Lee JH, Kim SY, Park HS, Kwon KS, Cho HG, Lee DH, Kim PS, Kim HG, Shin YW, Kim YS, Kim JM, Kim KR. A case of double primary gastric adenocarcinoma and duodenal carcinoma with osteoclast-like giant cells. Korean J Med. 2001 ;61:156-161
  36. Lee JW, Jeong S, Kim IH, Kwon KS, Choi W, Lee DH, Cho HG, Kim PS, Kim HG, Shin YW, Kim YS, Choe YH, Hwang TS, Choi MS. Relationship between gene subtype of helicobacter pylori virulence factor and upper gastrointestinal diseases. Korean J Gastroenterol. 2001 ;38:89-97
  37. Lee JW, Kwon KS, Lee DH, Cho HG, Kim PS, Kim HG, Shin YW, Kim YS, Kim JY, Lee ES, Lee GY, Shin SH, Kim YB. Clinical significance of p58, K - ras, and Ki - 67 expression in extrahepatic bile duct carcinoma and dysplasia. Korean J Gastroenterol. 2001 ;38:112-119
  38. Cho HG*, Min HY, Jang DS, Shin YW, Kwon KS, Kim YS, Kim MY, Kim KR. Two cases of chronic pancreatitis with pseudocyst complicated by obstructive jaundice. Yonsei Med J. 2000 ;41:522-527
  39. Shin HJ, Park KS, Yi JS, Kwon KS, Cho HG, Choi W, Lee DH, Kim PS, Kim HK, Shin YW, Kim YS, Kim JM. A case of gastric glomus tumor with bleeding. Korean J Gastrointest Endosc. 2000;20:123-126
  40. Kim IH, Kim PS, Kwon S, Lee DH, Choi W, Cho HG, Kim HG, Shin YW, Kim YS, Kim YB. Analysis of Risk Factors of the Peptic Ulcer Bleeding. Korean J Gastroenterol. 2000 ;35:178-185
  41. Kim IH, Lee DH, Yoo JG, Kwon KS, Cho HG, Choi W, Kim PS, Kim HG, Shin YW, Kim YS, Kang SG, Kim WC. The efficacy of intraluminal radiotherapy after metallie stent insertion in malignant biliary tract obstruction. Korean J Gastrointest Endosc. 2000;20:449-455
  42. Park SH, Jeong S, Lee JW, Kwon KS, Lee DH, Choi W, Cho HG, Kim PS, Kim HK, Shin YW, Kim YS, Kim YB. Obstructive Colitis Occuring Proximal to Colon Cancer. Korean J Gastrointest Endosc. 2000 ;21:869-872