Introduction:

eosinophilic colitis is a gastrointestinal disorder characterized by an inflammatory infiltration in the colon and rectum, with predominance of eosinophils, its clinical manifestation depends on the affected intestinal epithelium layer, the exclusive affectation of the colon is exceptional, intestinal obstruction is the most evident manifestation and it is a disease of complex diagnosis, where the histological study is conclusive. It is present from 1 to 20 inhabitants per 100.000, its etiology is imprecise, it has been determined that there is an important genetic and allergic component. Corticosteroids are the treatment of first choice.

Case report:

a 12-year-old patient, presented abdominal pain, distension and was admitted, evolved with clinical and radiological signs of a mechanical ileus with progressive worsening, it was decided an exploratory laparotomy and colon biopsy. The patient was diagnosed with eosinophilic colitis and treated with corticosteroids, showing a satisfactory progression at 72 hours, with regression of the clinical chart.

Conclusion:

it is rare and little study pathology, not frequently found, it affects the muscular layer as a type of intestinal obstruction, this should be taken into account as a differential diagnosis of acute abdomen in pediatric patients.

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