<p>A 10-year-old boy presented to the emergency department (ED) with a 6-day history of nausea, nonbilious and nonbloody vomiting, and periumbilical pain.</p>
<p>A 10-year-old boy presented to the emergency department (ED) with a 6-day history of nausea, nonbilious and nonbloody vomiting, and periumbilical pain.</p>