Cholelithiasis

KEY FACTS Imaging Highly reflective, mobile and gravity-dependent intraluminal structures with posterior clean shadowing Variable size; stones < 5 mm may not shadow Contracted gallbladder (GB) full of stones may not exhibit mobility and may be mistaken for duodenal bulb Wall-echo-shadow (WES) sign: 2 echogenic, curvilinear lines separated by sonolucent line Always evaluate for biliary dilatation and signs of cholecystitis, cholangitis, or pancreatitis You’re Reading a…

Biliary System

TERMINOLOGY Abbreviations Extrahepatic biliary structures Gallbladder (GB) Cystic duct (CD) Right hepatic (RH) and left hepatic (LH) ducts Common hepatic duct (CHD) Common bile duct (CBD) Definitions Proximal/distal biliary tree (follows direction of flow) Proximal refers to portion of biliary tree that is closer in proximity to liver and hepatocytes Distal refers to caudal end closer to ampulla and bowel Central/peripheral Central refers to biliary ducts…

Budd-Chiari Syndrome

KEY FACTS Terminology Budd-Chiari syndrome: Hepatic venous outflow obstruction Global or segmental obstruction of hepatic venous outflow or inferior vena cava (IVC) 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

Portal Hypertension

KEY FACTS Terminology Portal hypertension: Pressure gradient > 12 mm Hg between main portal vein (PV) and IVC &/or hepatic veins 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

Hepatocellular Carcinoma

KEY FACTS Terminology Hepatocellular carcinoma (HCC) Primary malignancy of liver arising from hepatocytes Synonyms: Hepatoma, primary liver cancer 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

Hepatic Adenoma

KEY FACTS Terminology Hepatocellular adenoma (HCA) or liver cell adenoma 2nd most frequent hepatic tumor in young women after focal nodular hyperplasia (FNH) 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

Peribiliary Cyst

KEY FACTS Terminology Cystic dilatation of obstructed periductal glands of bile ducts Retention cyst of peribiliary gland 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