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Finlay’s owners had noticed that he was finding it difficult to pass faeces and had seen him straining. This can be caused by a huge variety of conditions but when we palpated his abdomen we were able to feel a large very firm abnormal structure in the region of his bladder and prostate gland.
Radiographs and ultrasound imaging of his abdomen revealed an uncommon structure known as a paraprostatic cyst. This is fluid cyst that develops alongside the prostate gland attached by a short communicating tube. The cause of paraprostatic cysts remains a little unclear but it is thought they could develop from a embryological remnant of the female reproductive tract which is found in male dogs and fills with fluid. The cysts can remain asymptomatic for a long time before the animal develops an issue in later life. In Finlay’s case, the cyst was pressing on and occluding his bowel. When the cysts are identified to be causing a problem it likely that surgery is required to remove the cyst and correct the issue.
The images below show the large round calcified paraprostatic cyst and an ultrasound scan of the fluid filled structure.
We performed surgery to resect the paraprostatic cyst. This is an intricate task with extreme care necessary to avoid major structures, nerves and blood vessels, which if disrupted, can cause major complications. Finlay recovered well however and by the time his surgical wound had healed he was once again toileting comfortably.