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Pathological alterations in human tendons.

L Józsa1, A Réffy, P Kannus

  • 1Department of Morphology, National Institute of Traumatology, Budapest, Hungary.

Archives of Orthopaedic and Trauma Surgery
|January 1, 1990
PubMed
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Degenerative tendinopathies are the primary cause of tendon rupture, necessitating advanced microscopy for diagnosis. Other tendon pathologies like tumors and infections are less common.

Area of Science:

  • Orthopedics
  • Pathology
  • Histology

Background:

  • Tendon pathology encompasses a range of conditions, with tendinopathies being the most prevalent.
  • Understanding the spectrum of tendon diseases is crucial for effective treatment and management.

Purpose of the Study:

  • To analyze pathological alterations in a large cohort of human tendons.
  • To evaluate the efficacy of different microscopy techniques in diagnosing tendon pathologies.

Main Methods:

  • Retrospective analysis of 1966 tendon specimens over 18 years.
  • Histopathological examination using light, electron, and polarization microscopy.
  • Enzyme histochemical and immunohistochemical analyses were also performed.

Main Results:

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  • Tendinopathies (hypoxic-degenerative, calcific, tendolipomatosis, mucoid degeneration) were the most frequent findings, often leading to rupture.
  • Tendon tumors, infections, and foreign bodies were less common.
  • Light microscopy sufficed for certain diagnoses, while electron and polarization microscopy were essential for degenerative conditions and collagen analysis, respectively.

Conclusions:

  • Degenerative tendinopathies are the leading cause of tendon pathology and rupture.
  • A combination of microscopy techniques, including specialized methods, is vital for accurate diagnosis.
  • While advanced techniques are valuable, routine histology remains fundamental in tendon pathology assessment.