Gulchin A. Ergun, MD

Associate Professor of Clinical Medicine, Institute for Academic Medicine
Division Chair, Department of Medicine
Houston Methodist
Weill Cornell Medical College

Education & Training

Clinical Fellowship , Cornell Medical Center Program/New York Hospital
Residency , University Hospitals of Cleveland
MD , Case Western Reserve University

p53 protein accumulation predicts malignant progression in Barrett's metaplasia: A prospective study of 275 patients
Younes, M, Brown, K, Lauwers, GY, Ergun, G, Meriano, F, Schmulen, AC, Barroso, A & Ertan, A 2017, Histopathology. DOI:

The significance of "indefinite for dysplasia" grading in Barrett metaplasia
Younes, M, Lauwers, GY, Ertan, A, Ergun, G, Verm, R, Bridges, M, Woods, K, Meriano, F, Schmulen, C, Johnson, C, Barroso, A, Schwartz, J, McKechnie, J & Lechago, J 2011, Archives of Pathology and Laboratory Medicine, vol 135, no. 4, pp. 430-432.

Swallowing Disorders and Dysphagia
Ergun, GA 2010, . in GI/Liver Secrets. Elsevier, pp. 7-12. DOI:

Obesity increases oesophageal acid exposure
El-Serag, HB, Ergun, GA, Pandolfino, J, Fitzgerald, S, Tran, T & Kramer, JR 2007, Gut, vol 56, no. 6, pp. 749-755. DOI:

Goblet cell mimickers in esophageal biopsies are not associated with an increased risk for dysplasia
Younes, M, Ertan, A, Ergun, G, Verm, R, Bridges, M, Woods, K, Meriano, F, Schmulen, AC, Colman, R, Johnson, C, Barroso, A, Schwartz, J, McKechnie, J & Lechago, J 2007, Archives of Pathology and Laboratory Medicine, vol 131, no. 4, pp. 571-575.

Anthropometric correlates of intragastric pressure
El-Serag, H, Tran, T, Richardson, P & Ergun, G 2006, Scandinavian Journal of Gastroenterology, vol 41, no. 8, pp. 887-891. DOI:

Expression of the High Mobility Group Proteins HMGI(Y) Correlates with Malignant Progression in Barrett's Metaplasia
Chen, X, Lechago, J, Ertan, A, Ergun, G, Verm, R, Bridges, M, Johnson, C, Woods, K, Meriano, F, Chirala, M & Younes, M 2004, Cancer Epidemiology Biomarkers and Prevention, vol 13, no. 1, pp. 30-33. DOI:

Detection of oxidative DNA damage in oesophageal biopsies of patients with reflux symptoms and normal pH monitoring
Liu, L, Ergun, G, Ertan, A, Woods, K, Sachs, I & Younes, M 2003, Alimentary Pharmacology and Therapeutics, vol 18, no. 7, pp. 693-698. DOI:

Avoiding Infliximab in the Treatment of Crohn's Disease in Patients With Multiple Sclerosis [5]
Nanavati, SA, Ergun, GA & Schwartz, JT 2003, American Journal of Gastroenterology, vol 98, no. 10, pp. 2333-2334.

Non-small cell lung cancer staging techniques and endoscopic ultrasound: Tissue is still the issue
LeBlanc, JK, Espada, R & Ergun, G 2003, Chest, vol 123, no. 5, pp. 1718-1725. DOI:

Cecal volvulus after colonoscopy [8] (multiple letters)
Viney, R, Fordan, SVE, Fisher, WE & Ergun, G 2002, American Journal of Gastroenterology, vol 97, no. 12, pp. 3211-3212. DOI:

Esophageal leiomyomatosis in a woman with a history of vulvar leiomyoma and Barrett's esophagus. A case report and review of the literature
Compagnoni, GM, Talamonti, MS, Joob, A, Ergun, GA & Rao, S 2000, Digestive Surgery, vol 17, no. 3, pp. 306-309.

Lower esophageal sphincter relaxation characteristics using a sleeve sensor in clinical manometry
Shi, G, Ergun, GA, Manka, M & Kahrilas, PJ 1998, American Journal of Gastroenterology, vol 93, no. 12, pp. 2373-2379. DOI:

Clinical applications of esophageal manometry and pH monitoring
Ergun, GA & Kahrilas, PJ 1996, American Journal of Gastroenterology, vol 91, no. 6, pp. 1077-1089.

Esophageal bolus transit imaged by ultrafast computerized tomography
Pouderoux, P, Ergun, GA, Lin, S & Kahrilas, PJ 1996, Gastroenterology, vol 110, no. 5, pp. 1422-1428. DOI:

Inflammatory pseudotumor of the pancreas
Kroft, SH, Stryker, SJ, Winter, JN, Ergun, G & Sambasiva Rao, M 1995, International Journal of Pancreatology, vol 18, no. 3, pp. 277-283. DOI:

Esophageal dysphagia
Kahrilas, PJ & Ergun, GA 1994, Acta Oto-Rhino-Laryngologica Belgica, vol 48, no. 2, pp. 171-190.

The endoscopic management of esophageal strictures
McBride, MA & Ergun, GA 1994, Gastrointestinal Endoscopy Clinics of North America, vol 4, no. 3, pp. 595-621.

Interpretation of pharyngeal manometric recordings: Limitations and variability
Ergun, GA, Kahrilas, PJ & Logemann, JA 1993, Diseases of the Esophagus, vol 6, no. 3, pp. 11-16.

Deglutitive tongue action: Volume accommodation and bolus propulsion
Kahrilas, PJ, Lin, S, Logemann, JA, Ergun, GA & Facchini, F 1993, Gastroenterology, vol 104, no. 1, pp. 152-162.