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Concept
Eosinophilic esophagitis
Summary
Eosinophilic esophagitis (EoE) is an allergic inflammatory condition of the esophagus that involves eosinophils, a type of white blood cell. In healthy individuals, the esophagus is typically devoid of eosinophils. In EoE, eosinophils migrate to the esophagus in large numbers. When a trigger food is eaten, the eosinophils contribute to tissue damage and inflammation. Symptoms include swallowing difficulty, food impaction, vomiting, and heartburn.
Eosinophilic esophagitis was first described in children but also occurs in adults. The condition is not well understood, but food allergy may play a significant role. The treatment may consist of removal of known or suspected triggers and medication to suppress the immune response. In severe cases, it may be necessary to enlarge the esophagus with an endoscopy procedure.
While knowledge about EoE has been increasing rapidly, diagnosis of EoE can be challenging because the symptoms and histo-pathologic findings are not specific.
EoE often presents with difficulty swallowing, food impaction, stomach pains, regurgitation or vomiting, and decreased appetite. Although the typical onset of EoE is in childhood, the disease can be found in all age groups, and symptoms vary depending on the age of presentation. In addition, young children with EoE may present with feeding difficulties and poor weight gain. It is more common in males, and affects both adults and children.
Predominant symptoms in school-aged children and adolescents include difficulty swallowing, food impaction, and choking/gagging with meals- particularly when eating foods with coarse textures. Other symptoms in this age group can include abdominal/chest pain, vomiting, and regurgitation. The predominant symptom in adults is difficulty swallowing; however, intractable heartburn and food avoidance may also be present. Due to the long-standing inflammation and possible resultant scarring that may have gone unrecognized, adults presenting with EoE tend to have more episodes of esophageal food impaction as well as other esophageal abnormalities such as Schatzki ring, esophageal webs, and in some cases, achalasia.
Official source
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