“Eosinophilic gastroenteritis” is a misnomer; can affect any portion of GI tract
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Requires 4 criteria for diagnosis
Presence of GI symptoms
Biopsy proof of eosinophilic infiltration of 1 or more areas of GI tract
Absence of eosinophilic involvement of multiple organs outside GI tract
Absence of parasitic infestation
IMAGING
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Esophageal involvement (eosinophilic esophagitis)
Most characteristic findings:
Ringed esophagus (concentric, thin, web-like strictures)
May coexist with longer strictures
Related
Diagnostic Imaging_ Gastrointes - Michael P Federle
