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Osteosarcoma in Baboons (Papio spp).

Marguerite J Mezzles1, Edward J Dick2, Michael A Owston2

  • 1Southwest National Primate Research Center, Texas Biomedical Research Institute, San Antonio, Texas, USA; Department of Genetics, Texas Biomedical Research Institute, San Antonio, Texas, USA.

Comparative Medicine
|May 1, 2015
PubMed
Summary
This summary is machine-generated.

Osteosarcoma, a rare bone cancer in baboons (Papio spp), was diagnosed in six individuals over 12 years. These cases occurred in a large colony, affecting both appendicular skeleton and head regions.

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Area of Science:

  • Veterinary Pathology
  • Primate Oncology
  • Comparative Oncology

Background:

  • Osteosarcoma is exceptionally rare in baboons (Papio spp), with limited prior documentation.
  • Understanding neoplasia in non-human primates is crucial for comparative pathology and biomedical research.

Observation:

  • Six cases of naturally occurring osteosarcoma were identified in baboons over a 12-year period at a research center.
  • Lesions were distributed between the appendicular skeleton (3 cases) and the head, including the skull and mandible (3 cases).
  • The affected baboons were part of a large, outdoor-housed breeding colony and were neither genetically related nor shared research exposures.

Findings:

  • Radiographic and histologic evaluations confirmed osteosarcoma diagnoses.
  • The incidence suggests a potential, albeit rare, predisposition or environmental factor within this specific baboon population.
  • The distribution of tumors in both appendicular and cranial sites indicates varied potential origins.

Implications:

  • This series expands the understanding of bone neoplasms in baboons, highlighting osteosarcoma as a significant finding.
  • Findings contribute to the comparative oncology database, aiding in the study of bone cancer mechanisms across species.
  • Further investigation into potential etiological factors in this colony may offer insights into osteosarcoma development.