Introduction:

Eosinophilic gastroenteritis (EoG) is a rare condition with a yet poorly understood pathophysiology.

Case Presentation:

We report on a case of a 36-year-old woman with a history of atopy presenting with nausea, abdominal discomfort, weight loss, and ascites. Laboratorial analysis revealed peripheral eosinophilia and a slight elevation of inflammatory markers. The patient pursued medical assistance several times with a delay in the diagnosis. The pathway to the diagnosis of EoG with serosal infiltration and further management is presented.

Discussion:

Despite be-ing diagnosed by exclusion, it is important to suspect EoG with subserosa involvement in patients presenting with the uncommon association of peripheral eosinophilia and asci-tes, particularly if there is a history of atopy.

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