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Anechoic

  • Without echoes
  • Dark on the image
  • Produces through transmission

*This term in descriptive

Examples

  • Urinary bladder
  • Simple Renal Cyst
  • Gallbladder

Homogeneous

  • Of uniform composition
  • Smooth structure with consistent

echogenicity

*This is a descriptive term

Example

  • Normal Spleen

Heterogeneous

  • Of differing composition
  • Patchy structure with inconsistent

echogenicities

* This is a descriptive term

Example

  • Liver with multiple

masses

  • To define all descriptive sonographic terms with an accompanying image
  • To determine if the term is descriptive, comparative or both
  • To give an example of structures with respective terms

Objective

Isoechoic

  • Having the same echogenicity
  • Matches surrounding tissue

* This is a comparative term

Example

  • Focal Nodular

Shadowing

Hyperechoic

  • Failure of the sound beam to pass

through an object

*This term is descriptive

  • Having many echoes
  • Bright or gray on image
  • May produce posterior shadowing

*This term is comparative

Example

  • Seen posterior to a

gallstone, rib, kidney

stone

  • Introduction to Sonography and Patient Care Steven Penny - Wolters Kluwer - 2016
  • Sonographic Photo Credit: Katlynne Jakubowski, RDMS
  • Sonographic Photo Credit: Alexis Torres, RDMS

Complex (mass)

Citation and Credits

Example

  • Having mixed echogenicities
  • A structure that has both fluid and solid components

* This is a comparative term

Ecogenic

  • Solid, bright tumor
  • Hepatic hemangioma
  • Aged blood clot in a vessel

Example

  • Ovarian cysts
  • Hepatic cysts
  • Structure that produces echos
  • Bright or gray on the image

*This term is both Comparative and Descriptive

Example

  • Diffusely bright (echogenic liver)
  • Pancreas is more echogenic

than the liver

  • May be used by some

synonymously with hyperechoic

Acoustic Enhancment

  • The amount of sound beam passing

through a structure

* This term is descriptive

Example

  • Seen posterior to

fluid-fullied structures

  • Cysts, urinary bladder

blood vessels

Hypoechoic

  • Having few echoes
  • Dark on image but not black

*This term is comparative

Sonographic Descriptive Terminology

Examples

  • Fresh blood clot in vessel
  • Solid, dark tumors

Lauren A. Barfield

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