Duodenal Relationships: How Far Is It Really?

Sethi, Herpreet, Eric Spicuzza, and Mary Tracy Bee

The small intestine, through which our digested food passes, is divided into three parts: the duodenum, jejunum, and ileum. The duodenum is the most clinically important as it receives bile from the liver and pancreatic juices from the pancreas that help us break up our food chemically.

The structures through which bile and pancreatic juices enter in the duodenum include the major duodenal papilla of Wirsung and the minor duodenal papilla of Santorini. The major duodenal papilla has been report to lie at a distance of 8 cm from the pyloric sphincter and 2.5 cm from the minor duodenal papilla. We have observed that these distances are significantly greater than what is found in our cadaver dissections (p