[Antral membrane. Presentation of a case].

A case of antral membrane in a 23 month old child is presented. He developed an extremely rapid clinical course characterized by vomiting, 4 kg weight loss and acute malnutrition. The UGI showed a probable antropyloric obstruction which was confirmed by endoscopy and lately by surgery. It is suggested that in the approach of a patient with vomit it is very important to make an oriented clinical history and always complete the study of the patients with radiological and endoscopic procedures.