GALL BLADDER ULTRASOUND
STONES ALL APPEAR ECHOGENIC
- May be either radiolucent or radio-opaque
- beyond stone is an acutstic shadow
- Bile is hypoechoic
GALLSTONES
- 81 % Consist of cholesterol and are radiolucent, (cannot be seen on plain films)
- 19 %contain calcium and are radio-opaque (can be seen on plain films)
- Size: can be very small (1-2 mm) to very large (several cm)
- Shape: single stone – round large multiple stone, small, faceted
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