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Canine Silica Urolithiasis.

C A Osborne, R F Hammer, J S Klausner

    Journal of the American Veterinary Medical Association
    |April 15, 1981
    PubMed
    Summary
    This summary is machine-generated.

    Silica jack-stone uroliths were found in 83 dogs, predominantly German Shepherds. Diet is a suspected cause, and management involves surgical removal and infection control.

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    Area of Science:

    • Veterinary Medicine
    • Urology
    • Canine Health

    Background:

    • Silica "jack-stone" uroliths are a rare form of urinary stones in dogs.
    • First documented cases of naturally occurring silica jack stones appeared after 1976.
    • German Shepherd Dogs were disproportionately represented among affected canines.

    Purpose of the Study:

    • To investigate the characteristics and potential causes of silica uroliths in dogs.
    • To analyze the demographic and clinical features of dogs with silica urolithiasis.
    • To propose management and prophylactic strategies for silica uroliths.

    Main Methods:

    • Retrospective analysis of 83 canine cases with silica uroliths.
    • Examination of urolith composition, canine breed, age, sex, and clinical presentation.

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  • Evaluation of urine parameters, radiographic findings, and treatment outcomes.
  • Main Results:

    • Silica uroliths occurred in 83 dogs, primarily males, with a mean age of 5.8 years.
    • German Shepherds were the most common breed affected; diet was hypothesized as a contributing factor.
    • Uroliths varied in composition (pure silica or mixed with struvite) and appearance; recurrence was noted in 5 dogs.

    Conclusions:

    • Silica urolithiasis in dogs, particularly the jack-stone form, requires further investigation into dietary links.
    • Management should focus on surgical removal, treating concurrent urinary tract infections, and implementing prophylactic measures like increased urine volume and dietary modification.
    • The study highlights the need for continued research into the etiology and prevention of silica uroliths in canines.