GAMUT G-117
NONSHADOWING LESION IN THE GALLBLADDER (Ultrasound)


COMMON
1. Gallstone, nonshadowing or not in the transducer focal zone
2. Polyp  (adenomatous or cholesterol )
3. Sludge


UNCOMMON
1. Adenomyomatosis
2. Carcinoma of gallbladder 
3. Desquamated mucosa
4. Fibrinous debris
5. Hematoma
6. Inspissated pus
7. Metastasis
8. Parasites (eg, Ascaris; Clonorchis; Fasciola)
9. Precipitated contrast medium from ERCP





References