Flashcards in 15. Biliary structures Deck (7)
biliary stystem - structure ?
--> common bile duct ( also cystic duct to gallbladder)
--> combine with main pancreatic duct at ampulla of Vater --> sphincter of Oddi
Gallstones that reach the confluence of the common bile and pancreatic duct at the ampula --> ( results and mechanism)
block both common bile duct (--> cholangitis) and pancreatic duct ( --> pancreatitis)
double duct sign
tumors that arise in head of pancreas usually
obstruction of common bile duct --. painless jaundice
• A patient has RUQ abdominal pain and a stone obstructing the common bile duct (CBD). Which two biliary ducts drain directly into the CBD?
The cystic duct and common hepatic duct
• Bile passes through this sphincter to enter the duodenum.
The sphincter of Oddi
• A patient has a colicky abdominal pain with elevated amylase, lipase, and alkaline phosphatase. What structure has become involved?
Ampulla of Vater (this is a gallstone that is now obstructing both biliary and pancreatic ducts)