Hypertrophic pyloric stenosis

Case contributed by Muhammad Qasim Khan
Diagnosis almost certain

Presentation

Vomiting after taking feed.

Patient Data

Age: 5 months
Gender: Male
ultrasound

An ultrasound scan through the pylorus of the stomach shows a 22.5 mm length of the pylorus, pyloric transverse diameter is 13.7 mm and pyloric muscle thickness is 4.7 mm.

A typical antral nipple and cervix sign is seen in image 1. 

Target sign and stomach hyperactivity were also seen (not shown).

Case Discussion

On examination, he had an olive-like mass in his upper abdomen.

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