Eosinophilic proctitis and gastro-entero-colitis induced by oral allergens, mimicking ulcerative proctitis

Background: Eosinophilic gastritis, entero-colitis are uncommon heterogeneous disorders. Case report: In 1996 a 19 year old girl was referred with a history of blood in stool as well as diarrhoea. Chronic aspecific inflammatory reaction of the rectum mucosa with eosinophilic infiltration and 20% peripheral eosinophilia was found. Allergic origin and worm infection were ruled out. In December 2000 blood in stools and upper abdominal complaints developed without peripheral eosinophilia. Olsalazine, budesonide enema and famotidin treatment were started, but then later changed to mesalazine and pantoprazol. The next…