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Spontaneous rhabdomyosarcoma in a rhesus monkey
1Department of Pathology, Tulane University, Covington, LA 70433.
Journal of Comparative Pathology
|July 1, 1988
Summary
A rhabdomyosarcoma, a rare soft tissue tumor, was diagnosed in an adult male rhesus monkey. This spontaneous tumor caused significant pelvic bone and muscle destruction.
Area of Science:
- Veterinary Pathology
- Oncology
- Primate Medicine
Background:
- Rhabdomyosarcoma is a malignant mesenchymal tumor arising from skeletal muscle precursor cells.
- Spontaneous tumors in non-human primates are valuable models for comparative oncology research.
- Pelvic masses can present diagnostic challenges due to their location and potential for extensive local invasion.
Observation:
- A large pelvic mass was identified in an adult male rhesus monkey.
- Radiographic and clinical examination revealed lysis of the ilium and destruction of pelvic musculature.
- The mass's location and invasive nature suggested a malignant neoplastic process.
Findings:
- Histological examination confirmed the diagnosis of rhabdomyosarcoma.
- Ultrastructural analysis revealed features consistent with skeletal muscle differentiation.
- Immunohistochemical staining showed characteristic markers for rhabdomyosarcoma, supporting the diagnosis.
Implications:
- This case highlights the importance of considering rhabdomyosarcoma in non-human primates with pelvic masses.
- The findings contribute to the understanding of spontaneous tumor development in rhesus monkeys.
- This case may serve as a valuable reference for future studies in comparative oncology and primate pathology.