Three-Dimensional Imaging and Roughness Characterization of Articular Cartilage by 50 Mhz Echography

  • A. Saïed
  • E. Chérin
  • L. Brayard
  • P. Netter
  • G. Berger
Part of the Acoustical Imaging book series (ACIM, volume 23)

Abstract

Osteoarthritis (OA) is a slowly progressive pathology which affects all tissues of the joint in different ways. The cartilage degeneration is the main characteristic of the disease. In the pathogenic sequence it undergoes morphological, structural, biochemical and functional changes. The earliest alterations of the cartilage are thickness variation and surface roughening (fibrillation and ulceration) followed by fissuring leading to extensive thinning and loss of the tissue at an advanced stage of the disease.1 At present, the recognition of OA occurs when it is extensive and the characteristic advanced pathological features appear on current diagnostic imaging modalities: radiography, computed tomography, conventional echography (7.5 MHz) and magnetic resonance imaging. These techniques underestimate the cartilage alterations, they are not sensitive to its minor changes and neither permit accurate measure of its thickness.2

Keywords

Arthritis Osteoarthritis Acoustics 

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References

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Copyright information

© Springer Science+Business Media New York 1997

Authors and Affiliations

  • A. Saïed
    • 1
  • E. Chérin
    • 1
  • L. Brayard
    • 1
  • P. Netter
    • 2
  • G. Berger
    • 1
  1. 1.Laboratoire d’Imagerie Paramétrique CNRS URA 1458, Faculté de Médecine Broussais HôtelParis
  2. 2.Laboratoire de Pharmacologie CNRS URA 1288 Faculté de MédecineVandoeuvre les NancyFrance

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