GALL BLADDER ULTRASOUND

STONES ALL APPEAR ECHOGENIC

  1. May be either radiolucent or radio-opaque
  2. beyond stone is an acutstic shadow
  3. Bile is hypoechoic

GALLSTONES

  1. 81 % Consist of cholesterol and are radiolucent, (cannot be seen on plain films)
  2. 19 %contain calcium and are radio-opaque (can be seen on plain films)
  3. Size: can be very small (1-2 mm) to very large (several cm)
  4. Shape: single stone – round large multiple stone, small, faceted
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Chest X Ray Imaging