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Peer-reviewed veterinary case report

Dog urinating on chest and leg fixed by surgery redirecting urine

By Pavletic, Michael M & Brum, Douglas E·Published in Journal of the American Veterinary Medical Association·2009·Department of Surgery, United States·View original on PubMed

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Original publication title: Diversion of the urine stream by surgical modification of the preputial ostium in a dog.

Species:
dog
Drinking & peeingDogs

Plain-English summary

A 1.4-year-old male Standard Poodle was brought in because he was urinating on his left forelimb and chest. The vet found that his unusual body shape was causing the urine to spray in the wrong direction. To fix this, they performed surgery to partially close the top part of the opening where urine exits, while making the bottom part larger. After the surgery, the dog was able to urinate downward, preventing any further mess on his body.

People also search for: dog urinating on himself · Standard Poodle urine stream problem · dog urine spray direction surgery

Abstract

CASE DESCRIPTION: A 1.4-year-old sexually intact male Standard Poodle was evaluated with a history of urinating on its left forelimb and lower portion of the thorax. CLINICAL FINDINGS: Physical examination revealed that the dog had an unusually elevated (tucked) abdominal wall and prominent dome-shaped thoracic wall. These anatomic changes altered the angle of the urine stream, resulting in the dog's soiling the xiphoid region of the thorax and left forelimb. TREATMENT AND OUTCOME: The dorsal half of the preputial ostium was closed surgically to divert the urine stream in a ventral direction. The ventral portion of the ostium was reciprocally enlarged. Postoperatively, the dog urinated in a downward direction, eliminating urine contact with the body. CLINICAL RELEVANCE: The preputial orifice (ostium) plays an important role in the shape and direction of the urine stream exiting the penile urethra. Dogs with an elevated abdominal wall and prominent dome-shaped thorax may be prone to contamination of the lower portion of the thorax and forelimbs with urine during normal micturition. Partial closure of the dorsal preputial ostium, with reciprocal enlargement of the lower half of the orifice, can create a deflective barrier that effectively diverts the urine stream in a ventral direction.

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Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/19878006/