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  • Title: Pediatric Eosinophilic Esophagitis.
    Author: Posten S, Adamiak T, Jensen M.
    Journal: S D Med; 2018 Aug; 71(8):362-366. PubMed ID: 30110527.
    Abstract:
    Eosinophilic esophagitis (EoE) is a chronic immune-mediated esophageal inflammatory disease that is becoming more widely recognized as a cause of feeding difficulties in infants and young children, as well as gastroesophageal reflux disease (GERD)-like symptoms, dysphagia, and food impaction in children and adolescents. The diagnosis of EoE is clinicopathologic, based on endoscopic, histologic, and clinical findings. Patients with suspected eosinophilic esophagitis require an endoscopy with biopsies. The diagnosis requires the presence of 15 or more intraepithelial eosinophils/HPF in at least one endoscopic esophageal mucosal biopsy. Histology will reveal mucosal eosinophilia isolated to the esophagus, which does not improve following Proton Pump Inhibitor (PPI) trial. Other disorders causing esophageal eosinophilia, such as GERD, celiac disease, Crohn's disease, infection, hypereosinophilic syndrome, achalasia, and drug hypersensitivity must be ruled out. The goals of treatment should include both histologic healing of the esophageal mucosa, as well as resolution of clinical symptoms. Treatment options include food elimination diets, topical steroids, and/or esophageal dilatation. While the understanding of EoE has evolved over the past twenty years, it continues to be a challenging diagnosis due to the clinical and histopathologic similarities to GERD. Much remains to be studied regarding the underlying pathology, as well as appropriate biomarkers to better evaluate response to therapy.
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