Dr. Schaeffer is an associate professor in the Department of Pathology & Laboratory Medicine at University of British
Columbia and the Head of the Department of Pathology at Vancouver General Hospital (VGH) where he practices as a
gastrointestinal pathologist. Dr. Schaeffer obtained his medical degree from the Johannes Gutenberg University of Mainz,
Germany. After a residency program in Anatomical Pathology in Vancouver he completed his gastrointestinal pathology
fellowship at Mount Sinai Hospital in Toronto. Dr. Schaeffer is a co-director of Pancreas Centre BC and also heads the
Gastrointestinal Biobank (GIBB) at VGH. He has an active research program focusing predominately on translational research
in colonic and pancreatic cancer.
List different types of esophagitis, gastritis, duodenitis and colitis and discuss how to distinguish among entities within these differential diagnoses.
Discuss how to report dysplasia within Barrett esophagus and inflammatory bowel disease and explain the management implications; discuss the approach to testing for hereditary gastric and colorectal cancer.
Explain how to diagnose gastrointestinal stromal tumours and neuroendrocrine tumours and discuss their reporting criteria.