Gallbladder

Question 1

Choledochal Cysts Type 1

Answer 1

• Type 1: 80-90%: can present in utero.
  Type 1a: dilation of entire EXTRAhepatic bile duct.
  Type 1b: dilation of focal segment of EXTRAhepatic bile duct.
  Type 1c: dilation of the common bile duct portion of the extrahepatic bile duct.

Question 2

Choledochal Cysts Type 2

Answer 2

Type 2: true diverticulum from extrahepatic bile duct

Question 3

Choledochal Cysts Type 3:

Answer 3

Type 3: dilation of extrahepatic bile duct within the duodenal wall (choledochocele).

Question 4

Choledochal Cysts type 4: next most common

Answer 4

Type 4a: cysts involving both intra and extrahepatic ducts.
Type 4b: multiple dilations/cysts of extrahepatic ducts only.

Question 5

Choledochal Cysts Type 5

Answer 5

Type 5: multiple dilations/cysts of intrahepatic ducts only (Caroli’s).

Question 6

Choledochal Cyst

Answer 6

picture only

Question 7

Complications of choledochal cysts

Answer 7

• stone formation
• malignancy: cholangiocarcinoma (lifetime incidence 10-15%)

Question 8

Management of Choledochal Cysts

Answer 8

Surgical excision with RY

Question 9

Gall stones

Answer 9

• Physical state of bile is determined by relative concentration of bile salt, lecithin, and cholesterol

Question 10

Gallstone types

Answer 10

• 50% black pigment
• 25% calcium carbonate
• 20% cholesterol
  < 5% Brown