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Ultrasound diagnosis of evolving pyloric stenosis
D A Weiskittel1, D L Leary, C E Blane
1Department of Radiology, University of Michigan Medical Center, Ann Arbor.
Insights
Infants with vomiting may develop hypertrophic pyloric stenosis over time. Follow-up ultrasounds are crucial for diagnosing this acquired condition when initial barium studies are negative, guiding timely surgical intervention.
Area of Science:
- Pediatric Gastroenterology
- Diagnostic Imaging
- Surgical Pediatrics
Background:
- Recurrent vomiting in infants can indicate pyloric stenosis.
- Initial imaging may not always detect early-stage pyloric stenosis.
Abstract:
Two infants with recurrent episodes of vomiting had upper gastrointestinal barium studies that did not show radiographic features of pyloric stenosis. However, follow-up abdominal sonograms done 1-2 weeks later documented hypertrophic pyloric stenosis, which led to surgery. This entity is not congenital, but an evolving acquired lesion. Therefore, ultrasound is an excellent modality to evaluate and monitor patients clinically suspected of developing hypertrophic pyloric stenosis despite their initially negative imaging studies.