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Periorbital Mass in a Squirrel Monkey (Saimiri sciureus).

Douglas R. Winters1, Joseph M. Schech, William H. Baker

  • 1Divisions of Veterinary Medicine and Pathology, Walter Reed Army Institute of Research, Washington, DC 20307.

Contemporary Topics in Laboratory Animal Science
|November 29, 2002
PubMed
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A bone tumor, or osteoma, was diagnosed in a squirrel monkey after a routine exam revealed a cheek mass. Surgical removal and analysis confirmed the benign bone growth.

Area of Science:

  • Veterinary Medicine
  • Comparative Pathology
  • Primate Oncology

Background:

  • Squirrel monkeys (Saimiri sciureus) are susceptible to various neoplastic conditions.
  • Facial masses in non-human primates can present diagnostic challenges.
  • Routine veterinary examinations are crucial for early detection of abnormalities.

Purpose of the Study:

  • To report a case of osteoma in an adult male squirrel monkey.
  • To describe the diagnostic process, including radiographic and histologic evaluation.
  • To contribute to the understanding of bone tumors in non-human primates.

Main Methods:

  • A palpable mass on the left cheek of a squirrel monkey was identified during a physical examination.
  • Radiographic imaging of the lesion was performed.

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  • The mass was surgically excised, and histologic examination was conducted.

    • Main Results:

    • Radiographic, anatomic, and histologic findings were consistent with an osteoma.
    • The mass was characterized as a benign bone tumor.
    • The diagnosis was confirmed through comprehensive analysis.

    Conclusions:

    • Osteoma is a possible diagnosis for facial bone masses in squirrel monkeys.
    • Multimodal diagnostic approaches (radiography, histology) are essential for accurate diagnosis.
    • This case highlights the importance of thorough veterinary examination in non-human primates.