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Synovial chondromatosis in raptors.

E G Stone1, M M Walser, P T Redig

  • 1Raptor Center, University of Minnesota, St. Paul 55108, USA.

Journal of Wildlife Diseases
|March 12, 1999
PubMed
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Perisynovial and synovial chondromatosis caused severe debilitation in 14 raptors, including great horned owls and a red-tailed hawk. The exact cause of these joint lesions in birds remains unknown.

Area of Science:

  • Veterinary Pathology
  • Avian Medicine
  • Wildlife Health

Background:

  • Perisynovial and synovial chondromatosis are proliferative cartilaginous lesions that can affect multiple joints.
  • These lesions have been observed in various animal species, but their occurrence in raptors is less documented.
  • Raptors experiencing joint issues may suffer from severe debilitation, impacting their mobility and survival.

Purpose of the Study:

  • To document cases of perisynovial and synovial chondromatosis in raptors admitted to a rehabilitation center.
  • To describe the clinical presentation and severity of joint lesions in affected birds.
  • To highlight the unknown etiology of these conditions in avian species.

Main Methods:

  • Review of medical records for raptors admitted between June 1992 and June 1995.

Related Experiment Videos

  • Identification of cases with perisynovial and synovial chondromatosis affecting multiple joints.
  • Clinical assessment of debilitation, focusing on loss of shoulder motion.

    • Main Results:

    • Fourteen raptors (13 great horned owls, 1 red-tailed hawk) were diagnosed with perisynovial and synovial chondromatosis.
    • Affected birds originated from Minnesota, Wisconsin, and South Dakota, USA.
    • Severe debilitation, primarily due to loss of shoulder motion, was a consistent finding.

    Conclusions:

    • Perisynovial and synovial chondromatosis can cause significant joint disease and debilitation in raptors.
    • The condition affects multiple species of raptors, including great horned owls and red-tailed hawks.
    • The underlying cause (etiology) of these joint lesions in raptors is currently unknown and warrants further investigation.