[Complete evacuation of a hydatid cyst of the liver into the common bile duct]

The authors report an exceptional case of hydatid cyst of the liver totally evacuated into the common bile duct. This rare complication of hydatid cyst of the liver was suspected clinically in a context of cholangitis, in a patient with hydatid cyst of the liver. The diagnosis of the cysto-biliary communication was based on several radiological examination, especially ultrasound examination which, when a large window setting is used, reveals the presence of hydatid material inside the dilated bile-ducts, and biliary opacification which locates the obstacle in the bile-duct and visualizes the cysto-biliary communication.