Hypertrophic pyloric stenosis

Case contributed by The Radswiki
Diagnosis certain


Vomiting in a baby.

Patient Data

Age: 2 months old
Gender: Male

Gas filled dilated stomach with a paucity of bowel gas in the small and large bowel. At the top of the film a central venous catheter can be seen. 


Ultrasound demonstrates an elongated pylorus (2.3cm) with a thickened muscular wall (0.5cm).

Case Discussion

Abdominal x-ray and ultrasound of a child with hypertrophic pyloric stenosis. The stomach, with gas distended antrum mimics a double bubble sign. Note the paucity of gas in small and large bowel. 

Ultrasound demonstrates thick and elongated pylorus. 

These images are from Dr. Paula Brill's excellent pediatric radiology collection.

Dr. Brill is a professor in the department of radiology (pediatric section) at Weill Cornell.

This case was donated to Radiopaedia.org by Radswiki.net

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