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Erik Thyssen, M.D.

Dr. Erik Thyssen, GastroenterologistDr. Erik Thyssen was born and raised in Denmark. A desire to further his education brought him to Michael Reese Hospital in Chicago for internal medicine training,
and he completed his gastroenterology fellowship at Washington University in St. Louis.

He is Board Certified in Internal Medicine and Gastroenterology and has a voluntary teaching appointment at Washington University School of Medicine, in the departments of Medicine and Surgery. Dr. Thyssen sees adults with gastrointestinal disorders and uses endoscopic techniques in early detection and treatment.

Dr. Thyssen and his wife Carin have three sons. He enjoys playing tennis and watching his wife perform on stage.

Education

Medical Degree 9/1976 – 1/1984
University of Copenhagen, School of
Medicine Copenhagen, Denmark

Postgraduate Training

Rotating internships in Internal Medicine, 3/1984 – 5/1987
General and Orthopedic Surgery and Radiology
Holbaek Central Hospital, Holbaek, Denmark

Residency in Internal Medicine 7/1987 – 6/1990
Michael Reese Hospital, Chicago, Illinois

Fellowship in Gastroenterology 7/1990 – 6/1993
Washington University School of Medicine
St. Louis, Missouri

Board Certifications

Board certified in Internal Medicine since 1990,
Recertified 1999, 2010
Board certified in Gastroenterology since 1993,
Recertified 1999

Academic Positions

Clinical Instructor in medicine 1993 – 1997
Washington University School of Medicine

Assistant Professor of Clinical Medicine 1997 – Present
Washington University School of Medicine

Clinical Instructor in surgery 1997 – Present
Washington University School of Medicine

Jewish Hospital Medicine Clinical Attending 1993 – 1996
Washington University School of Medicine

Medical Societies

American College of Physicians
American Society of Gastrointestinal Endoscopy
American College of Gastroenterology
Medical Societies Crohn's and Colitis Foundation

Committee Memberships

Chairman, Quality Assessment Committee 1996 – 1997 
Barnes-Jewish West County Hospital

Medical Executive Committee 1996 – 2000
Barnes-Jewish West County Hospital

Chief of Staff, elect 1998
Barnes-Jewish West County Hospital

Chief of Staff 1999
Barnes-Jewish West County Hospital

Chairman, Credentials Committee 2000
Barnes-Jewish West County Hospital

Member, Pharmacy and Therapeutics Committee 2000 – Present

Consultant

Reviewer for Annals of Internal Medicine 1998 – 2003

National Courses

American College of Gastroenterology 1990
Annual Postgraduate Course, San Francisco, CA

American Society for GI Endoscopy 1992
Appropriate use of technology in Gastroenterology
San Francisco, CA

Digestive Disease Week 1993
Management of GI Cancers, Boston, MA

American Gastroenterological Association 1993
Review course in GI and Hepatology, Chicago, IL

GI Endoscopy Laser Course, Harvard Medical School 1994
Boston, MA

American Society for GI Endoscopy 1994
Annual Postgraduate Course, New Orleans, LA

Digestive Disease Week, San Diego, CA 1995

Medical Societies

American College of Gastroenterology 1996
Annual Meeting, Seattle, WA

Digestive Disease Week 1999
Orlando, FLA

Physician Executive Leadership Course 1999
Washington University

American College Gastroenterology 2003
Review Course Meeting, Baltimore, MD

Presentations

Talk at National Meeting
Thyssen EP, Turk J, Bohrer A, Stenson WF. 1992
Quantification of Discrete Molecular Species of
Platelet-activating Factor and its 2-Lyso Metabolite in
Inflammatory Bowel Disease, American Gastroenterological
Association, San Francisco, CA

Posters at National Meetings
Thyssen EP
, Stenson WF. 1992
CaCO-2 Cells, A Human Intestinal Epithelial Cell Line,
Secrete PAF Acetylhydrolase activity. Fourth International
Congress on PAF and Related Lipid Mediators, Snowbird, UT

Thyssen EP, Stenson WF. 1993
Metabolism of Platelet-Activating Factor in
Ulcerative Colitis, Boston MA

Weinstock, LB, Shatz, BA, Mujeeb IB, Deschryver K, 1995
Thyssen EP.
Colonic "chicken skin". A mucosal change adjacent to
Colon neoplasms., San Francisco, CA

Lectures

Gastroenterology Division Grand Rounds Washington 1990 – 1993
University Medical School, Chylous Ascites, medical
Treatment of Familial Polyposis Coli Toxic Megacolon
Maintenance terapy in inflammatory bowel disease

Peptic Ulcer Disease 1992
Core Curriculum Conference, Jewish Hospital of St. Louis

ERCP 1993
Society of Gastroenterology Nurses, Clayton, MO

Internal Medicine Board Review Course 1994 – 1997
Gastroenterology, Washington University School of
Medicine, St. Louis, MO

"Helicobacter Pylori" – an update, Core Curriculum 1995
Conference, Jewish Hospital of St. Louis, St. Louis, MO

Peptic Ulcer Disease 1996 – 1997
Gastroenterology Review Section, Family Practice
Board Review Course, St. Louis, MO

Peptic Ulcer Disease – an update, Core 1997
Curriculum Conference, Barnes-Jewish Hospital
St. Louis, MO

Publications/Articles

Faarvang KL, Thyssen EP
Beta-Thalassemia Minor in a Northern European Family
Ugeskr Laeger 1985; 147:3170-1

Faarvaml KL, Thyssen EP
Giant Cell Arteritis, Loss of Vision during Corticosteroid
Therapy. Journal of Internal Medicine 1989;225:215-6

Rasmussen RB, Thyssen, EP
Rupture of The Flexor Hallucis Longus Tendon, A Case
Report. Foot and Ankle 1990; 10:228-9

Thyssen, EP, Hou SH, Alverdy JC, Spiegel DM
Temporary Loss of Limb Function Secondary to Soft Tissue
Calcification in a patient with Rabdomyolosis-induced
Renal Failure. American Journal of Kidney Disease 1990; 16491-4

Thyssen EP, Weinstock LB, Balfe DM, Shatz BA
Medical treatment of Benign Gastocolic Fistula. Annals of
Internal Medicine 1993; 118:433-5

Shatz BA, Weinstock LB, Thyssen EP, Deschryver K.
Colonic "chicken skin" – a mucosal change adjacent to Colon
Neoplasms. American Journal of Gastroenterology 1994; 89:1698

Teefy SA, Roarke MC, Brink JA, Middleton WD, Balfe DM,
Thyssen EP, Hildebolt CF. Bowel wall thickening: Differentiation
of inflammation from ischemia with Doppler and duplex ultrasonography.
Radiology 1996; 198:547-51

Thyssen EP, Turk J, Bohrer A, Stenson WF. Quantification of
Distinct Molecular Species of Platelet-Activating Factor in Ulcerative
Colitis. Lipids 1996; 31:S-255-9

Thyssen, EP, Weinstock LB, Shatz BA. Colon Cancer Screening
and surveillance. Washington University Cancer Matters 1996

Shatz BA, Weinstock LB, Swanson PE, Thyssen EP.
Long-term safety of India Ink Tattoos in the colon. Gastrointestinal
Endoscopy 1997; 45:153-6

Weinstock LB, Shatz BA, Thyssen EP, Mujeeb IB, DeSchryver K.
Colonic chicken skin mucosa: an endoscopic and histologic abnormality
Adjacent to Colon Neoplasms. American Journal of Gastroenterology
1998; 93:623-7

Weinstock LB, Shatz BA, Thyssen EP. Esophageal food bolus
Obstruction: Evaluation of extraction and modified push techniques in
75 cases. Endosdcopy 1999; 31 (6):421-25

Weinstock LB, Shatz BA, Thyssen EP, Ritter J. Korenblat PE,
DeSchryver K. Colonic mucosal speckling detected by endoscopy.
Histopathologic differential diagnosis. Gastrointestinal Endoscopy
1999; 49:786-90

Shatz BA, Weinstock LB, Thyssen EP. Inflammatory bowel disease
After India ink tattooing: to much of a good thing. Gastrointestinal
Endoscopy 2000; 51:263

McFarland EG, Pilgram TK, Brink JA, McDermott RA, Santillan CV,
Brady PW, Heiken JP, Balfe DM, Weinstock LB, Thyssen EP,
Littenberg B. CT Colonography: multiobserver diagnostic performance.
Radiology 2002 Nov; 225(2):380-90

Ristvedt S:, McFarland EG, Weinstock LB, Thyssen EP.
Patient preferences for CT Colongraphy, Conventional Colonoscopy
and Bowel Preparation. American Journal Gastroenterology
2003 March; 98(3):578-85

Abstracts

Thyssen EP, Turk J. Bohrer A. Stenson WF. Quantification of
Distinct Molecular Species of Platelet-Activation Factor and its
2-Lyso Metabolite by Gas. Chromatography-Mass Spectrometry in
Inflammatory Bowel Disease. Gastroenterology 1992; 102:A704

Thyssen EP, Stenson WF. Metabolism of Platelet-Activation Factor in
Ulcerative Colitis. Gastroenterology 1993; 104:A789

Connell DC, Thyssen EP, Weinstock LB, Shatz BA. Colonic
Stretch Marks: An endoscopic finding not previously described.
American Journal of Gastroenterology 1996; 91:A327