[Acute abdomen caused by transmural eosinophilic enteritis].
A 45 year old man with personal history of B-Lactamic antibiotics allergy and one episode of hemochezia was admitted to hospital because of abdominal pain in the lower right quadrant and nausea, and diagnosed of acute appendicitis. At laparotomy he was found to have histological evidence of transmural eosinophilic enteritis in the terminal ileon and ascitis. After an intestinal resection a full evaluation was performed.