Hypertrophic pyloric stenosis
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Projectile non-bilious vomiting after feeding.
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There are sonographic features of pyloric stenosis with single muscle thickness 5.5 mm and pyloric width 1.2 cm and pyloric canal length measuring 2.2 cm. Depicting antral nipple sign and cervix sign of the pylorus.
40 days old baby boy is presenting to the clinic with projectile vomiting after feeding and growth failure when plotted on the specified chart. Ultrasound of the abdomen was requested to evaluate the pylorus which turned to be positive as shown above.