A 5-month-old previously healthy, full-term female presented to a pediatric emergency department with 2 weeks of left leg swelling. Her parents denied any history of trauma, pain, fevers, weight loss, and easy bruising or bleeding, and family history was negative for cancer. The patient had been feeding and eliminating well.
Ronen Zipkin, MD
A previously healthy, 16-year-old Guatemalan girl presents to the emergency department (ED) with a 1-month history of dyspnea on exertion.