Department of Medicine II;
Gastroenterology;
Hepatology;
Endocrinology and Infectious Diseases;
Medical Center;
University of Freiburg;
Faculty of Medicine;
University of Freiburg;
79106 Freiburg;
Germany;
Department of General and Visceral Surgery;
Center for Surgery;
University of Freiburg;
Faculty of Medicine;
University of Freiburg;
79106 Freiburg;
Germany;
Department of Surgery;
RKK Bruder-Klaus-Krankenhaus;
79183 Waldkirch;
Germany;
Institute for Exercise and Occupational Medicine;
Center for Medicine;
Medical Center-University of Freiburg;
Faculty of Medicine;
University of Freiburg;
79106 Freiburg;
Germany;
Silke Lassmann;
Annette Schmitt-Graeff;
Institute of Surgical Pathology;
Medical Center and Faculty of Medicine;
University of Freiburg;
79106 Freiburg;
Germany;
Protein-losing; enteropathy; Cap; polyposis; Ulcerative; colitis; Goblet; cells; Pseudomembranes;