" /> shadow sign - CISMeF





Preferred Label : shadow sign;

RADLEX synonyms : WES sign; wall-echo-shadow sign; WES complex; double-arc-shadow sign; wall-echo-shadow complex;

Definition : Two echogenic lines with hypoechoic space between and shadowing distal to the far field line are seen in an ultrasound of the gallbladder. Suggests cholelithiasis; represents echogenic wall (W), thin hypoechoic layer of bile, echo (E) produced by gallstone, and acousting shadowing (S) of stone.;

Source : Radiology 2000; 214:881-882;

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Two echogenic lines with hypoechoic space between and shadowing distal to the far field line are seen in an ultrasound of the gallbladder. Suggests cholelithiasis; represents echogenic wall (W), thin hypoechoic layer of bile, echo (E) produced by gallstone, and acousting shadowing (S) of stone.

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31/10/2025


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