Gallbladder Flashcards
The normal gallbladder is usually less than ____ in transverse diameter
4-5 cm
What is the length of the gallbladder?
8 to 10cm
Where is the spiral valves of Heister located and what can it simulate the appearance of?
Located in the cystic duct and can cause shadowing that simulates the appearance of a stone
Which portion of the gallbladder and /or biliary tree are involved in the formation of a Phrygian cap?
Body and fundus
The right and left hepatic ducts come together to form the common hepatic duct where?
Inside the liver, near the porta hepatis
The common bile duct is formed by?
Common hepatic duct and the cystic duct
The intrahepatic ducts are considered dilated if they exceed what measurement?
2mm
When is the CBD measurement abnormal
> 6mm
What is the shot gun sign? Aka?
Aka- “parallel tube sign”
Describes the enlargement of the CBD to the size of the adjacent portal vein within the port hepatis
What is the most common causes of CBD obstruction?
- Choledocholithiasis
-Chronic pancreatitis - acute pancreatitis
- pancreatic carcinoma
What is the most common cause of obstructive jaundice?
Gallstones located within the CBD
What is mirizzi syndrome?
An uncommon manifestation of choledocholithiasis
When there is a stone lodged within the cystic duct and causes compression of the common hepatic duct which in turn causes enlargement of the CBD
What is cholangitis?
Inflammation of the biliary ducts
When the bile ducts measure greater than 5mm
What is the most common cause of cholangitis?
Some type of obstructive disease, like choledochalithiasis
What is Charcot triad and what is it associated with?
The triad is fever, RUQ pain, and jaundice- associated with cholangitis
