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Introduction: Pancreatic hydatid cyst (PHC), a rare parasitic infectious disease, is caused by the larvae of Echinococus granulosus. Common human organs affected by the hydatid cyst are the liver and lunge, but it rarely involves other organs such as the pancreas. Case Presentation: A rare case is reported of a patient with a pancreatic head hydatid cyst. The result of the patient's preliminary serological surveys was negative and the pancreatic lesion was suspected to be a pseudocyst or cystic pancreatic neoplasms. Following complete excision of the lesion, the pathological analysis of the surgical specimen confirmed hydatid disease. Conclusions: Pancreatic hydatid cysts may be confused with more common lesions of the pancreas such as pseudocysts and cys-tic pancreatic neoplasms. Physicians should always consider this disease in the differential diagnosis, especially for patients from endemic areas.

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Choledochocele is also known as Todani type III cyst or intraduodenal diverticulum and represents only 4% of all choledochal cysts. It is defined as a cystic dilatation of the distal intramural portion of the common bile duct protruding into the duodenal lumen. It remains an uncommon anomaly of the biliary tract with small malignant potential. Definitive treatment of the choledochocele can be carried out operatively or by endoscopic sphincterotomy.We report a case of a 39 year old female patient on whom we successfully performed surgery with a Roux-en-Y hepatico-jejunostomy.

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