An Asian patient with intestinal obstruction, mucoid diarrhea, and eosinophilia was tested for fecal parasites. The fecal sediment revealed a large (180 µm x 90 µm) oval egg with a small operculum. This parasite probably is:

Question

Quizplus · Accepted Answer

Travel history or country of origin and clinical symptoms are important when differentiating trematode species, especially F. buski and F. hepatica. F. buski is found in Asia and invades the patient's GI tract, causing intestinal tract disease; F. hepatica (found worldwide) invades the liver, causing hepatic symptoms.

An Asian Patient with Intestinal Obstruction, Mucoid Diarrhea, and Eosinophilia