Cholestasis is a common complication of hepatic hydatid cyst. The authors describe the various mechanisms of cholestasis in hepatic hydatid cyst as demonstrated by percutaneous transhepatic cholangiography (PTC) and endoscopic retrograde cholangiopancreatography (ERCP) in 16 patients. In the authors' patients, cholestasis was the result of rupture or mechanical pressure of the cyst on the biliary system. Direct visualization of the bile duct, especially by PTC, provided precise definitions of the pathology, and aided the surgeon in his approach. There were no adverse reactions. All preoperative diagnoses were confirmed at operation.
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