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Volume 33, Number 3, September 2000

Allergic eosinophilic gastroenteritis in a boy with congenital duodenal obstruction

Ming-Jiunn Tsai, Ning-Sheng Lai, Yung-Feng Huang, Yi-Hui Huang, Hui-Hua Tseng
Department of Internal Medicine, Chai Yi Veterans Hospital, Taiwan, ROC



Eosinophilic gastroenteritis (EG) is a rare allergy-related disease, especially in early childhood. We present the case of a 1 year 4 month old boy with congenital duodenal obstruction who developed EG. That diagnosis of EG was made by a series of imaging studies and was confirmed by upper gastrointestinal (UGI) endoscopic biopsy studies which showed significant tissue eosinophilia in both mucosal and submucosal layers. No evidence of parasite segment or ova was found in the stool and biopsy specimen. Specific IgE antibodies to milk were estimated to be 2 + (CAP system). Cow's milk allergy was highly suspected but not confirmed by consecutive elimination and challenge tests since the child was too much suffered to be tested. There was partial response to the 2-week treatment with Alfare (semi-elemental formula) and oral prednisolone 1 mg/kg/day. One month after initial examination, perforation of the stomach occurred and exploratory laparotomy disclosed stenosis of the duodenum. Congenital duodenal obstruction was diagnosed based on operative findings and previous sonographic findings. There has been only one report of EG in an infant with congenital duodenal obstruction. The nature of the relationships among cow's milk allergy as a possible etiologic factor, congenital duodenal obstruction as an predisposing factor and EG involvement at both mucosal and submucosal layers remains unclear.


J Microbiol Immunol Infect 2000;33:197-201.