1. Case Study

2. A 45-year-old G man was assigned to perform construction work in the Philippines, USA.

3. G man? A.Gay man B. a special law-enforcement agent of the Federal Bureau of Investigation (FBI) C. a recurring character in the Half-life series of first person shooter computer games D. Government man

4. He went to a local hospital in the Philippines for persistent diarrhea.

5. Persistent diarrhea? If you are the doctor, what will you do first? A. Give him the berberine( 黄连素 ) and ask him to go home B. Arrange the enteroscope for him C. Tell him to do the simple examination of his stool

6. Your Presumption A. Ulcerated colonitis B. The disorders of the function of the intestinal tract C. Caused by parasites of microorganism D. Take the bitter aloes ( 泻药 ) on the sneak so that he can ask for a leave

7. A stool examination was performed on a formalin fixed stool concentrate of his specimen.

9. Diagnosis A.China Liver Fluke B. Amebae C. Sesame D. Rice

11. Clinical Features Most pathologic manifestations result from inflammation and intermittent obstruction of the biliary ducts.

12. Clinical Features In the acute phase, abdominal pain, nausea, diarrhea, and eosinophilia can occur. In long-standing infections, cholangitis, cholelithiasis, pancreatitis, and cholangiocarcinoma can develop, which may be fatal.

13. Treatment Praziquantel or albendazole* are the drugs of choice.