Introduction:

transmural eosinophilic enteritis, is characterized by the presence of gastrointestinal eosinophilic infiltrate, it constitutes a rare entity of uncertain significance and unknown etiology.

Objective:

to describe the histological findings that characterizes transmural eosinophilic enteritis.

Case presentation:

a 40-year-old male patient, who was taken to the operating room with a diagnosis of small intestine tumor who underwent a right hemicolectomy with 12 cm resection of the small intestine that included the appendix and ileocecal valvule. Histologically it was found abundant inflammatory infiltrate predominantly of eosinophils from the lamina propria to the serous and adjacent fat with 8 ganglion formations with sinusoidal lymphoid hyperplasia.

Conclusions:

the alterations present in the histological examination of the sample allowed to conclude that the patient presented transmural eosinophilic enteritis, confirming the relevance of this study for the positive diagnosis of the disease.

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