Acoustic shadowing

Acoustic shadowing on an ultrasound image is characterised by a signal void behind structures that strongly absorb or reflect ultrasonic waves. This happens most frequently with solid structures, as sound conducts most rapidly in areas where molecules are closely packed, such as in bone or stones. 

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Article Information

rID: 24967
Section: Physics
Synonyms or Alternate Spellings:
  • Sonographic acoustic shadowing

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Cases and Figures

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    Case 1: cholelithiasis - acoustic shadowing
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    Case 2: appendicolith - acoustic shadowing
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    Renal calculus in...
    Case 3: renal calculus - acoustic shadowing
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