Hepatosplenomegaly in a "lost boy of Sudan".

A 21-year-old Sudanese man presented to the emergency department after 2 days of fever, nausea, vomiting, and mild bloody diarrhea. Clinical findings included hepatosplenomegaly and abdominal distension. Past medical history included hepatitis B infection and prior infection with a “worm.” The patient had moved to the USA 6 weeks prior to his admission. Laboratory findings revealed a decreased white blood cell count of 4100/μL (reference range, 4500–11,000) with peripheral eosinophilia: the white cell differential included 43% eosinophils (reference range, 0%–5%), and the absolute eosinophil count was 2370/μL (reference range, 0–550). Hepatosplenomegaly in a “Lost Boy of Sudan”