The following fictional case is intended as a learning tool within the Pathology Competencies for Medical Education (PCME), a set of national standards for teaching pathology. These are divided into three basic competencies: Disease Mechanisms and Processes, Organ System Pathology, and Diagnostic Medicine and Therapeutic Pathology. For additional information, and a full list of learning objectives for all three competencies, see http://journals.sagepub.com/doi/10.1177/2374289517715040.
Keywords: Barrett esophagus; acid reflux; adenocarcinoma of the esophagus; dysphagia; gastrointestinal tract; glandular metaplasia; organ system pathology; pathology competencies.