GAMUT G-119-1
ECHOGENIC BILE/GALLBLADDER SLUDGE (Ultrasound); HIGH DENSITY BILE (CT)


1. [Artifact (side lobe and slice thickness artifact on US; volume averaging of normal liver on CT)]
2. Cholelithiasis
3. Extrahepatic biliary obstruction
4. Hemolysis
5. Hemorrhage; hematobilia (esp. posttraumatic)
6. Inflammatory debris or pus
7. Milk of calcium
8. Prolonged fasting 
9. Sickle cell disease; thalassemia
10. Vicarious excretion of contrast media (eg, renal failure; recent ERCP; occasionally normal)


[    ] This condition does not actually cause the gamuted imaging finding, but can produce imaging changes that simulate it.




References