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Biliary Papillomatosis

KEY FACTS Terminology Rare disorder characterized by multiple adenomatous papillary tumors of biliary tree May be same entity as biliary intraductal papillary mucinous neoplasm (IPMN) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Chemotherapy-Induced Cholangitis

KEY FACTS Terminology Chemotherapy-induced sclerosing cholangitis (or biliary sclerosis) Iatrogenic cholangitis following intraarterial chemotherapy for hepatic malignancies Imaging MR with MRCP is best imaging test Segmental strictures of variable length (similar to those seen in primary sclerosing cholangitis) Strictures of common hepatic and larger intrahepatic ducts Frequently involves common hepatic duct and biliary confluence but not common bile duct Ductal abnormalities may include Duct wall thickening…

Mirizzi Syndrome

KEY FACTS Terminology Partial or complete obstruction of common hepatic duct (CHD) due to gallstone impaction in cystic duct, infundibulum, or Hartmann pouch of gallbladder (GB) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Gallstones and Choledocholithiasis

KEY FACTS Terminology Gallstones: Concretions within biliary system [gallbladder (GB) and biliary ducts] Cholesterol stones (75-80%) Pigment stones (20-25%) – "Black" stones in sterile GB; small; common in cirrhosis and hemolytic states – "Brown" stones in infected bile (e.g., recurrent pyogenic cholangitis) Sludge: Suspension of particulate material, crystal, and bile within GB Choledocholithiasis: Presence of stones in common bile duct (CBD); usually originate in GB Imaging…

Recurrent Pyogenic Cholangitis

KEY FACTS Terminology Repeated bouts of cholangitis, intra- and extrahepatic biliary ductal dilatation, and biliary calculi, typically in inhabitants of or immigrants from Southeast Asia You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here

Caroli Disease

KEY FACTS Terminology Caroli disease : Congenital, multifocal, segmental, saccular dilation of large intrahepatic bile ducts (IHBDs) Type V choledochal cyst (Todani classification) Caroli syndrome : (More common variant): Cystic bile duct dilation plus hepatic fibrosis (± portal hypertension) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here