Özet:

Hydatid cyst, an endemic disease in humans is most often caused by Echinococcus granulosus infection. In addition to being mostly held in the liver (60-70%) and lungs (20-30%), it can occur in any organ of the body. One of the most common and severe complications of hepatic hidatid cyst is also rupture into the biliary tract and it is seen in 5-25%. The rupture into the biliary tract can be clinically asymptomatic; however, it can also occur with conditions such as even duct pressure or cholecystitis secondary to even duct obstruction, cholangitis, liver abscesses and pancreatitis. While the most important examination for diagnosis is USG, MRCP is valuable for the detection of rupture into the biliary tract. Biliary obstruciton caused by cysto-biliary transitions of Daughter vesicles and/or hydatid membranes can be proven through implementation of preoperatively therapeutic ERCP success rate of 80-100% in patients with hydatid cyst rupture into the biliary tract. Herein, we aimed to report a case of hydatid cyst diagnosed by the appearance of daughter vesicles during ERCP performed on a patient admitting to our clinic with a presumptive diagnosis of choledocholithiasis. (Sakarya Med J 2016, 6(4):240-244 ).

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