What is the wall echo shadow sign?
The wall-echo-shadow sign (also known as WES sign) is an ultrasonographic finding within the gallbladder fossa referring to the appearance of a “wall-echo-shadow”: a curvilinear hyperechogenic line representing the gallbladder wall. a thin hypoechoic space representing a small amount of bile.
What is echogenic shadow in gallbladder?
When the gallbladder is filled with stones, the resulting appearance is termed the wall-echo-shadow sign (,8) (,Fig 5). The anterior wall of the gallbladder is echogenic, below which is a thin, dark line of bile; finally, there is a highly echogenic line of superficial stones with associated posterior shadowing.
What does shadow on gallbladder mean?
Wall-echo shadow sign indicates a stone-filled gallbladder. Differentiation from bowel is easier if there is a small amount of bile between the gallbladder wall and the stone. Air present within gallbladder calculi creates reverberation artifacts and a dirty shadow.
Does the gallbladder have echogenic walls?
The normal gallbladder wall is poorly visualized or appears as a thin echogenic line (Figure 9-37; see also Figure 9-3, B). The thickness of the wall depends on angulation of the sound beam and degree of distention.
What is Wes in gallbladder?
Can ultrasound see gallstones?
Gallstones can usually be confirmed using an ultrasound scan, which uses high-frequency sound waves to create an image of the inside of the body.
What is Wes complex?
The “WES” triad — that is, the demonstration of the gallbladder Wall, the Echo of the stone, and the acoustic Shadow — permits the specific diagnosis of stones in a contracted gallbladder.
What is gallbladder wall thickening?
Gallbladder wall thickening can be caused by inflammatory, benign, and malignant etiologies. Pseudothickening caused by the normal postprandial state of the contracted gallbladder is also extremely common 5.
What does it mean if the wall of your gallbladder is thick?
It may be caused by repeat attacks of acute cholecystitis. Chronic cholecystitis may cause intermittent mild abdominal pain, or no symptoms at all. Damage to the walls of the gallbladder leads to a thickened, scarred gallbladder. Ultimately, the gallbladder can shrink and lose its ability to store and release bile.
What is Courvoisier gallbladder?
The Courvoisier sign refers to a gallbladder that has become swollen due to the buildup of bile. It is also known as Courvoisier’s law. If you have this condition, your doctor will be able to feel your gallbladder sticking out of your stomach.
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