On histology, a duodenal duplication cyst is covered on both sides by duodenal mucosa with a distinct layer of smooth muscle in between, whereas a choledochocele is covered by either bile duct or ...

At laparotomy the pancreas appeared normal, and although the common bile duct was slightly dilated, a No. 4 Bakes dilator passed easily into the duodenum. Transduodenally, the duct of Santorini ...

Endoscopic images of the descending duodenum showed a granular mucosa with scalloped folds; spraying with 0.2% indigo carmine solution revealed a mosaic pattern and the absence of villi.