Endoscopic and pathomorphologic findings in the gastrointestinal tract (GI) in patients with food allergy.

98 subjects (78 children and 20 adults) with diagnosed food allergy underwent endoscopic and pathomorphologic evaluation of the GI mucosa (stomach, duodenum and colon). Endoscopic features of acute and chronic inflammation were found in all the analyzed segments. Typical inflammatory changes were not observed in the pathomorphologic examinations, although in half of the examined patients, inflammatory infiltrations consisting mainly of oesinophilic granulocytes were observed.