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Choroid plexus tumors in the dog

F A Zaki, L A Nafe

    Journal of the American Veterinary Medical Association
    |February 15, 1980
    PubMed
    Summary

    Canine choroid plexus tumors, often affecting the left fourth ventricle in male dogs, commonly cause neurological signs like tetraparesis and nystagmus. Some cases also present with altered consciousness, ranging from personality changes to coma.

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    Area of Science:

    • Veterinary Neurology
    • Canine Pathology
    • Neoplasia Research

    Background:

    • Choroid plexus tumors are intracranial neoplasms in dogs.
    • Understanding their clinical presentation and localization is crucial for diagnosis and treatment.
    • This study reviews cases to detail the characteristics of these tumors in canines.

    Observation:

    • Nine dogs with confirmed choroid plexus tumors were analyzed.
    • Tumors were predominantly located in the left side of the fourth ventricle (7/9 dogs).
    • Affected dogs were all male, with ages ranging from 13 months to 9 years.

    Findings:

    • The most frequent neurological signs observed were upper motor neuron tetraparesis and positional nystagmus.
    • Less common signs included head tilt, vomiting, bradycardia, and cranial nerve deficits.
    • Altered consciousness, from personality changes to coma, was noted in four dogs.

    Implications:

    • This data aids in recognizing the typical clinical and pathological features of canine choroid plexus tumors.
    • Early identification of neurological deficits can improve diagnostic accuracy.
    • Further research into the etiology and therapeutic strategies for these canine brain tumors is warranted.

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