Presentation
Vomiting. Under birth weight.
Patient Data
Age: 3 weeks
Gender: Male
From the case:
Pyloric stenosis
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Info

The pylorus is enlongated and thickened beyond normal limits consistent with pyloric stenosis.
Case Discussion
Pyloric stenosis should be considered when there is persistent vomiting and loss of weight in infants. It typically occurs between the ages of one week and three months.