Abdominal pain and nausea.
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Wall-echo-shadow sign is seen within the gallbladder fossa because of a large gallstone occupying the lumen of a contracted gallbladder.
The 'wall-echo-shadow' appearance is demonstrated due to:
- a curvilinear hyperechogenic line representing the gallbladder wall
- a thin hypoechoic space representing a small amount of bile
- a curvilinear hyperechogenic line representing the near surface of gallstone(s)
- and acoustic shadowing distal to the surface of the gallstone(s)