Diagnostic imaging in a case of choledocholithiasis.

A case of a patient with the diagnosis of a neoformation of the blind intestine is discussed. On CT for staging an image at the level of the intrapancreatic tract of main bile duct of not certain interpretation was visualized. On US choledocholithiasis shown by the typical appearance of a hyperechoic image with posterior shadowing was diagnosed. In the study case US was shown to be the procedure of first choice.