Intrapancreatic choledochal cyst. Diagnosis by peroral transduodenal cholangiography with description of a new method of surgical treatment.

A patient with a choledochal cyst presenting solely with abdominal pain is described. The cyst was diagnosed by endoscopic retrograde cholangiography. The clinical, radiographic, and surgical features of this disorder are briefly reviewed and the need to consider this entity as a possible cause of obscure abdominal pain is stressed.