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Non-neoplastic pathologic processes in the gastrointestinal tract can mimic malignancy or other non-neoplastic gastrointestinal diseases. When only a small mucosal biopsy is available for review, distinguishing reactive lesions from neoplasia or one inflammatory disease from another can often be extremely challenging. This course will use a case-based format to present examples of endoscopic biopsies that illustrate mimics in gastrointestinal pathology. These cases will represent pathologic processes that are seen in everyday practice and will include mimics of colonic adenocarcinoma, inflammatory bowel disease, reflux esophagitis, gastrointestinal stromal tumors, celiac disease and collagenous colitis. Upon completion of the course, participants should be able to recognize subtle features in endoscopic gastrointestinal biopsies that allow them to distinguish reactive from neoplastic processes and some common inflammatory conditions from other more obscure ones. Participants should also learn about the limitations of biopsy pathology and recognize instances when a differential diagnosis should be rendered, rather than a definitive diagnosis.

This course is intended for both practicing surgical pathologists and pathologists in training. Pre-registrants will receive a website address where they can view case histories and slides prior to the meeting. A comprehensive syllabus will be distributed at the course. A CD will be mailed to all registrants after the course.