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Updated: May 13, 2026

Ultrasound Tissue Characterization of Human Achilles Tendon by Stability Quantification of Echo Patterns
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Ultrasound Tissue Characterization of Human Achilles Tendon by Stability Quantification of Echo Patterns

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Achilles tendon assessed with sonoelastography: histologic agreement.

Andrea S Klauser1, Hideaki Miyamoto, Mario Tamegger

  • 1Department of Diagnostic Radiology, Medical University Innsbruck, Anichstrasse 35, 6020 Innsbruck, Austria.

Radiology
|March 2, 2013
PubMed
Summary

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Sonoelastography shows promise in detecting Achilles tendinosis degeneration more sensitively than conventional B-mode ultrasonography. This imaging technique may aid in predicting histopathologic changes in the Achilles tendon.

Area of Science:

  • Musculoskeletal imaging
  • Diagnostic ultrasound
  • Tendinopathy research

Background:

  • Conventional B-mode ultrasonography (US) is a standard imaging tool for musculoskeletal conditions.
  • Assessing Achilles tendon degeneration often requires correlating imaging findings with histology.
  • Sonoelastography offers a complementary method to evaluate tissue stiffness, potentially revealing subtle pathological changes.

Purpose of the Study:

  • To compare the diagnostic accuracy of B-mode US and sonoelastography in evaluating Achilles tendon degeneration.
  • To determine the level of agreement between these imaging modalities and histologic findings.
  • To assess the potential of sonoelastography in identifying histopathologic changes in Achilles tendinosis.

Main Methods:

  • Thirteen Achilles tendons from 10 cadavers were examined using B-mode US and sonoelastography.

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Last Updated: May 13, 2026

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Published on: September 5, 2025

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  • Histologic assessment was performed on 25 biopsy specimens from the Achilles tendons.
  • Concordance between B-mode US and sonoelastography grading was analyzed using kappa (κ) statistics.

    • Main Results:

    • Sonoelastography accurately identified all 14 tendon thirds with histologic degeneration (100%).
    • B-mode US identified 12 of 14 (86%) degenerated tendon thirds.
    • A moderate agreement (κ = 0.52) was observed between B-mode US and sonoelastography.

    Conclusions:

    • Sonoelastography demonstrates higher sensitivity than B-mode US in detecting Achilles tendon degeneration.
    • This imaging technique may assist in predicting histopathologic signs of Achilles tendinosis.
    • Further research could validate sonoelastography's role in clinical diagnosis of tendinopathies.