[Cystic dilatation of the choledochus: the diagnostic problems]

Choledochal cyst is a rare pathology in western countries and the typical signs and symptoms are not always present at the onset. The diagnosis is often difficult and it needs a long time to be clear. In this paper we review our recent experience with this pathology (8 patients) and particularly we point out the problems of the delate in the diagnosis and the best choice to study these patients.