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Related Concept Videos

Ultrasonography01:17

Ultrasonography

Ultrasonography is an imaging technique that uses high-frequency sound waves to visualize the body's internal structures. It is a non-invasive and safe procedure that does not involve the use of ionizing radiation, making it widely used in various medical fields. Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.
During an ultrasonography procedure, a handheld device called a...
Spongy Bone01:09

Spongy Bone

All bones comprise an outer layer of compact bone, and an interior made up of spongy bone tissue, also called cancellous or trabecular bone. In long bones, spongy bone tissue is mainly found in the interior of the epiphyses (broad ends of the bone).
Spongy bone is more porous, and less dense compared to compact bone. It is composed of concentric lamellae that are arranged irregularly to form the trabecular network. In some bones, the spaces between trabeculae contain red marrow, where...

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Articles linked to this work by shared authors, journal, and citation graph.

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A method for improved standardization of in vivo calcaneal time-domain speed-of-sound measurements.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2008
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The effects of frequency-dependent attenuation and dispersion on sound speed measurements: applications in human trabecular bone.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2008
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The relationship between ultrasonic backscatter and bone mineral density in human calcaneus.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2008
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Fundamental precision limitations for measurements of frequency dependence of backscatter: applications in tissue-mimicking phantoms and trabecular bone.

The Journal of the Acoustical Society of America·2002
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Relationships among calcaneal backscatter, attenuation, sound speed, hip bone mineral density, and age in normal adult women.

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A stratified model to predict dispersion in trabecular bone.

IEEE transactions on ultrasonics, ferroelectrics, and frequency control·2001

Related Experiment Video

Updated: Jun 28, 2026

Cortical Bone Assessment Using Ultrasonic Guided Waves: A Reproducibility Study in a Healthy Population
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Ultrasonic scattering from cancellous bone: a review.

K A Wear1

  • 1Center for Devices & Radiol. Health, U.S. Food & Drug Adm., Silver Spring, MD, USA. keith.wear@fda.hhs.gov

IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
|November 7, 2008
PubMed
Summary
This summary is machine-generated.

Scattering from cancellous bone, measured and simulated, shows moderate correlation with bone density. Backscatter properties like frequency and thickness dependence offer insights but have limited clinical use currently.

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Area of Science:

  • Biomedical Engineering
  • Medical Physics
  • Materials Science

Background:

  • Cancellous bone's complex structure affects ultrasound wave propagation.
  • Understanding scattering phenomena is crucial for non-invasive bone assessment.

Purpose of the Study:

  • To review theoretical models, experimental measurements, and simulations of scattering from cancellous bone.
  • To assess the relationship between backscatter properties and bone characteristics.

Main Methods:

  • Review of existing literature on cancellous bone scattering.
  • Analysis of theoretical models: binary mixture, Faran cylinder, weak scattering.
  • Examination of experimental data on backscatter correlation with bone mineral density, frequency, and trabecular thickness.
  • Evaluation of computer simulation studies.

Main Results:

  • Theoretical models show consistency with backscatter measurements.
  • Backscatter moderately correlates with bone mineral density (r²=0.66-0.68) in human calcaneus.
  • Backscatter scales with frequency cubed and trabecular thickness cubed.
  • Significant anisotropy observed in human calcaneus and bovine tibia backscatter.
  • Computer simulations aid in understanding scattering mechanisms.

Conclusions:

  • Scattering from cancellous bone is influenced by its microarchitecture.
  • While backscatter shows promise, its clinical utility remains modest.
  • Further research may enhance the diagnostic potential of bone scattering analysis.