Faculty Profiles

John Marshall, M.D., F.A.C.G., F.A.S.G.E., F.A.G.A.

Professor of Medicine
Associate Director for Education
Associate Director, GI Fellowship Program

Clinical Interests:

Dr. Marshall's primary clinical interests include all aspects of colonoscopy, the removal of large and difficult colon polyps, esophageal diseases, swallowing disorders, esophageal manometry and pH studies, and capsule endoscopy.

Research Interests:

Dr. Marshall’s research interests include colonoscopy practice, and preparation for endoscopy.

Board Certification:

Internal Medicine (ABIM)
Gastroenterology (ABIM)

Medical School

University of Missouri
Columbia, Missouri

Residency

University of Nebraska Medical Center
Omaha, Nebraska

GI Fellowship

University of Missouri Hospital & Clinics
Columbia, Missouri
University of Nebraska Medical Center
Omaha, Nebraska

Society Memberships

American College of Gastroenterology (Fellow)
American Society for Gastrointestinal Endoscopy (Fellow)
American Gastroenterological Association (Fellow)

Honors and Awards:

Phi Beta Kappa, 1973
Alpha Omega Alpha, 1976
Fellow, American College of Physicians, 1984
Fellow, American College of Gastroenterology, 1989
Selected as one of The Best Doctors in America: 1996-1998, 1998-2000; 2001-2002; 2003-2004; 2005-2006; and 2007-2008
Order of Socrates, 2001 (Awarded to School of Medicine faculty “repeatedly cited for their excellence in teaching”)
School of Medicine Curriculum Board Teaching Excellence Award—Outstanding Lecturer Preclinical Curriculum, 2005
Fellow, American Gastroenterological Association, 2007
Fellow, American Society for Gastrointestinal Endoscopy, 2007

Selected Publications:

Marshall JB, Perez RA, Madsen RW. Usefulness of a pediatric colonoscope for routine adult colonoscopy in women who have had hysterectomies. Gastrointest Endosc 2002; 55: 838-841.
Rex DK, Bond JH, Winawer S, Levin TR, Burn RW, Johnson DA, Kirk LM, Litlin S, Lieberman DA, Waye JD, Church J, Marshall JB, Riddell RH. Quality in the technical performance of colonoscopy and the continuous quality improvement process for colonoscopy: recommendations of the U.S. Multi-Society Task Force on Colorectal Cancer. Am J Gastroenterol 2002; 97: 1296-1308.
Marshall JB. Continuous quality improvement in colonoscopy. In: Waye JD, Williams CB, Rex DK (eds). Colonoscopy: Principles and Practice: Malden (MA) & Oxford (UK): Blackwell Publishing, 2003, pp. 89-101.
Al-Shurieki SH, Marshall JB. Is the variable-stiffness pediatric colonoscope more effective than a standard adult colonoscope for outpatient adult colonoscopy? A randomized controlled trial. Digestive and Liver Diseases 2005; 37: 698-704.
Hart PA, Ibdah JA, Marshall JB. Internationalisation of high-impact gastroenterology journals, 1970-2005. Gut 2007; 56: 895-896.
Marshall JB. How adequate is digital rectal exam for prostate cancer screening at colonoscopy? Can adequacy be improved? Dig Dis Sci 2008; 52:719-722.
Antillon, MR, Bartalos CR, Miller ML, Diaz-Arias, AA, Ibdah JA, Marshall JB. En-bloc endoscopic submucosal dissection of a 14-cm lateral spreading adenoma of the rectom with involvement ot the anal canal: Expanding the frontiers of endoscopic surgery. Gastrointest Endosc 2008; 67: 332-337.
Marshall JB. The colonoscope insertion tube. In: Waye, JD, Williams CB, Rex DK (eds). Colonoscopy: Principles and Practice (second edition) (in press).
Antillon MR, Bechtold ML, Bartalos CR, Marshall JB. Transgastric endoscopic necrosectomy with temporary metallic esophageal stent placement for the treatment of infected pancrease necrosis (with video). Gastrointest Endosc (in press).
Antillon MR, Bartalos CR, Tiwari P, Marshall JB. Taking spyglass outside the GI tract lumes in conjunction with EUS to assist in the diagnosis of a pancreatic cystic lesion (with video). Gastrointest Endosc (in press).