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Pediatr Radiol. 1995;25(4):310-1.

Evolving asymmetric hypertrophic pyloric stenosis associated with histologic evidence of eosinophilic gastroenteritis.

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  • 1Department of Radiology, Lucile Salter Packard Children's Hospital, Stanford Medical Center, Palo Alto, CA 94304, USA.


The most frequently occurring and important cause of gastric outlet obstruction in the neonate and young infant is infantile hypertrophic pyloric stenosis (IHPS). A reported association of IHPS and eosinophilic gastroenteritis [1] raises interesting questions about the possible etiologic relationship between the two entities. It is plausible that the observed sonographic pyloric muscular wall thickness in IHPS may in part be dependent on the degree and duration of an allergic gastroenteropathy. A recent report suggests that endoscopy may be a more reliable diagnostic method than sonography in the patient with evolving IHPS [2]. Our recent experience with a patient with evolving IHPS supports the findings described in these prior reports.

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