The most common cause of common biliary duct dilatation is obstruction due to gallstones, states the Radiology Assistant. Another cause of obstruction besides gallstones is stricture, or narrowing, of the common bile duc... More »

Possible symptoms of bile duct stones include intermittent or continuous abdominal pain, nausea, vomiting, fever and jaundice, according to the University of Michigan Health System. An individual with bile duct stones ma... More » Health Pain & Symptoms

According to Cleveland Clinic, a dilated pancreatic duct is a common symptom of pancreatitis, a chronic inflammation of the pancreas. As the condition progresses, the tissues of the pancreas are replaced with scar tissue... More »

A bile duct dilates when an obstruction forms inside it and the duct has to expand to allow bile to travel among the liver, gallbladder, pancreas and small intestine. The first signs of a dilated bile duct range from abd... More » Health Conditions & Diseases

The symptoms of a bile duct obstruction can include nausea, vomiting, pale stools, pain in the upper-right region of the abdomen and dark urine, MedlinePlus says. Other possible symptoms include a yellowing of the skin, ... More »

Some examples of bile duct diseases that can cause digestive problems are gallstones and biliary atresia, according to MedlinePlus. Bile is a substance produced by the liver and stored in the gallbladder that helps the b... More » Health Conditions & Diseases Gastrointestinal Issues

The function of the common bile duct is to carry bile from the liver and the gallbladder into the duodenum, the top of the small intestine directly after the stomach. The bile it carries interacts with ingested fats and ... More »