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Hydatid disease in four nonhuman primates

J L Palotay, H Uno

    Journal of the American Veterinary Medical Association
    |October 1, 1975
    PubMed
    Summary
    This summary is machine-generated.

    Hydatid disease, a parasitic infection, was diagnosed in four nonhuman primates. The cysts caused significant internal organ compression and displacement, leading to severe health complications.

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    Area of Science:

    • Veterinary Pathology
    • Primate Medicine
    • Parasitology

    Background:

    • Hydatid disease, caused by Echinococcus tapeworms, typically affects canids but can spill over into other species.
    • Nonhuman primates are increasingly recognized as potential hosts in various ecosystems.

    Observation:

    • Four nonhuman primates (Galago crassicaudatus, Lemur catta, and two Macaca mulatta) at the Oregon Regional Primate Research Center were diagnosed with hydatid disease.
    • Clinical involvement ranged from 2.5 to 7.5 years, indicating chronic infection.
    • One macaque experienced recurrence of multiple abdominal cysts six years after surgical removal of a thoracic cyst.

    Findings:

    • Necropsy revealed lesions consistent with parasitic cyst impingement, including lung compression, hydroureter, and hydronephrosis.

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  • Abdominal distension was a common clinical sign attributed to cyst growth.
  • The study highlights the potential for severe pathological changes in nonhuman primates due to hydatidosis.

    • Implications:

    • This case series underscores the importance of surveillance for zoonotic diseases like hydatid disease in captive and research nonhuman primate populations.
    • Understanding parasite transmission cycles is crucial for preventing disease spread in both animal and human health.
    • Findings may inform diagnostic and management strategies for hydatid disease in primates.