Maximum-distention retrograde urethrocystography in healthy male dogs: occurrence and radiographic appearance of urethroprostatic reflux

Feeney, D.A.; Johnston, G.R.; Osborne, C.A.; Tomlinson, M.J.

American Journal of Veterinary Research 45(5): 948-952


ISSN/ISBN: 0002-9645
PMID: 6732030
Accession: 005859511

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Urethroprostatic reflux was found during retrograde urethrocystography in 21 of 24 mature healthy Beagles. Minimal parenchymal-positive contrast blushes near the urethra were identified, but no massive accumulations of constrast medium within the prostate were found. A particulate contrast medium, sterilized barium sulfate, was used in 12 of the dogs. After retrograde urethrocystography, the barium particles were found in the secretory (acinar) portion of the prostatic parenchyma, confirming the urethroprostatic reflux extended beyond the prostatic duct system that directly empties into the urethral lumen.