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Utility of radiopaque urinary catheter placement before computed tomographic examination in two dogs with multiple pelvic fractures
  1. Daniel Davies1,
  2. Stephen Martin2 and
  3. Séamus Edward Hoey1
  1. 1 Veterinary Diagnostic Imaging, University College Dublin School of Veterinary Medicine, Dublin, Ireland
  2. 2 Small Animal Surgery, University College Dublin School of Veterinary Medicine, Dublin, Ireland
  1. Correspondence to Daniel Davies; daniel.davies{at}


Pelvic fractures are a common sequel to traumatic injuries in dogs, often caused by vehicular collisions. Urethral injury is a recognised complication of pelvic trauma. Retrograde positive contrast urethrography is frequently used to evaluate the urethra, which can easily be performed in a primary care setting during initial diagnostic investigation. Patients with complex pelvic fractures are regularly referred for specialist surgical treatment where they may undergo preoperative CT examination. The authors describe the utility of preplacing a radiopaque urinary catheter in two patients with multiple pelvic fractures before CT examination in order to aid clear delineation of urethral location. The placement of a hyperattenuating indwelling urinary catheter before CT examination in both dogs with multiple pelvic fractures significantly aided identification of urethral location, which influenced surgical planning and aided patient management.

  • anatomy
  • diagnostic imaging
  • trauma
  • computed tomography (CT)
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  • Contributors DD: wrote the case report; acquired, analysed and interpreted the CT study; coordinated coauthor contributions. SM: contributed towards acquisition of data (eg, clinical exam findings, blood work) and patient history and follow-up; wrote contributing sections of the case report; proof-read multiple times and approved the final version. SEH: supervised the acquisition of the CT study and supervised its interpretation; contributed to drafting and proof-reading the case report multiple times; approved the final version.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement No additional data are available.

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