科研之友
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摘要
Fasciola hepatica is an endemic zoonotic disease in Turkey and neighboring countries. The usual definitive host is the sheep; humans are accidental hosts in the life cycle of the Fasciola. There are two disease stages: the hepatic (acute) and biliary (chronic) stages. When the flukes enter the bile ducts, the symptoms of cholestasis and cholangitis may present, which can easily be misdiagnosed as obstructive jaundice of other causes. We present a case of fascioliasis, which was difficult to differentiate from cholangiocarcinoma. A 47-year-old woman from Eastern Turkey presented with fever, right upper quadrant abdominal pain, and jaundice. Total bilirubin was 4.2 mg/dl, aspartate aminotransferase 55 IU/L, alanine aminotransferase 65 IU/L, alkaline phosphatase 325 IU/L, and gamma-glutamyl transpeptidase 172 IU/L. All tumor markers including carcinoembryonic antigen and Ca19-9 were in normal values. After extended evaluation, an explorative laparotomy with cholecystectomy, choledochostomy and T-tube drainage was performed. Multiple flukes were removed from the choledochus. One of the parasites was sent to the parasitological clinic for identification. The result of an indirect hemagglutination test for F. hepatica was 1/320 (+). In conclusion, the chronic phase of this zoonotic infection can be easily misdiagnosed as any other cause of obstructive jaundice. Thus, F. hepatica should be considered in the differential diagnosis of common bile duct obstruction, especially in endemic areas.
- 出版日期2012-10
