Peer-reviewed veterinary case report
Urine-filled prostate cysts in dogs and their treatment options
By Bokemeyer, J et al.·Published in The Journal of small animal practice·2011·Department of Veterinary Clinical Science, Germany·View original on PubMed →
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Original publication title: Prostatic cavitary lesions containing urine in dogs.
- Species:
- dog
Plain-English summary
A group of 87 dogs with prostatic cysts or abscesses were treated with ultrasound-guided drainage. Out of these, 16 dogs had cysts containing urine, which made them more likely to need surgery later on. In fact, 62.5% of the dogs with urine-filled cysts required abdominal surgery due to recurring issues, compared to only 15.5% of those without urine in their lesions. This suggests that if a dog has a prostatic cyst that contains urine, they may need more intensive treatment than just drainage.
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Abstract
OBJECTIVES: The purpose of this retrospective study was to determine the proportion of urine-containing prostatic cavitary lesions ("urinary cysts") in dogs and to describe their clinical management. METHODS: The study included dogs with clinically relevant prostatic-retention cyst/abscess (n=87) treated initially by percutaneous ultrasound-guided drainage of the prostatic cavity. Based on a prostatic fluid:serum creatinine ratio, the study population was divided into two groups: group 1 (n=16) with and group 2 (n=71) without evidence of urine within the lesion. Medical records of both the groups were reviewed. RESULTS: Cavitary lesions containing urine were observed in 16 of the 87 dogs (18·4%; group 1). In 10 (62·5%) of the group 1 dogs, abdominal surgery was recommended, because of recurrent filling during follow-up. In group 2, abdominal surgery was recommended in only 11 of 71 cases (15·5%). CLINICAL SIGNIFICANCE: In dogs, 18·4% (95% confidence interval, 10·9 to 28·1%) of the prostatic cavitary lesions contain urine. Measurement of creatinine within the prostatic cavity fluid is a helpful tool in diagnosing a presurgical intra-prostatic urethral fistulation, and these dogs tend to require a more aggressive surgical therapy than percutaneous drainage alone.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/21338361/