Eosinophilic Esophagitis (EoE)
This EGID occurs within the esophagus. Eosinophils gather in the esophagus, causing redness, swelling, and damage.
An upper endoscopy is done to look for visible signs of EoE. Biopsies are taken to confirm an EoE diagnosis. The endoscopy will show any damage, inflammation, or thickening of the esophagus wall. The biopsy is reviewed to find the number of eosinophils in the tissue sample. A high number suggests an EoE diagnosis. At least six biopsies of the esophagus are recommended for an accurate diagnosis of EoE. Biopsies are especially important in EoE testing. About 20% of people with EoE can have an endoscopy that appears normal.
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