Hypertrophic pyloric stenosis

Case contributed by Emman Almomen


Presented with projectile vomiting from the 1st week of birth. No weight gain.

Patient Data

Age: 6 weeks
Gender: Female

A longitudinal view showing a hypoechoic ring of hypertrophied pyloric muscle around echogenic mucosa centrally in keeping with "target sign".

An oblique view shows elongated pyloric canal measuring 17 mm with a pyloric muscle wall thickness of 4 mm.

The stomach appears dilated.

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