GAMUT G-120
INCREASED ATTENUATION OF GALLBLADDER LUMEN (CT)


COMMON
1. Gallstones
2. Prior endoscopic retrograde cholangiopancreatography (ERCP) or oral cholecystography
3. Sludge; debris


UNCOMMON
1. Empyema of gallbladder with pus
2. Feces (via fistula)
3. Food particles after cholecystojejunostomy
4. Hemobilia
5. Hemorrhagic cholecystitis
6. Hydrops of gallbladder
7. Milk of calcium bile
8. Mucinous adenocarcinoma or lymphoma  of the gallbladder
9. Polyp or papilloma projecting into lumen
10. Vicarious excretion of contrast medium
11. Volume averaging with adjacent structures





References