ArticleJournal of veterinary internal medicine
Clinical Utility of Magnetic Resonance Urethrography in Assessment of Canine Urethra.
Article in Journal of veterinary internal medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Clinical Utility of Magnetic Resonance Urethrography in Assessment of Canine Urethra.Journal of veterinary internal medicineArticle
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundMagnetic resonance imaging (MRI) has been widely used in human medicine for evaluating lower urinary tract diseases; however, its application in veterinary medicine remains limited. HYPOTHESIS/
objectivesTo compare MRI with computed tomography (CT) in visualizing urethral and bladder wall layers and to assess the feasibility and diagnostic utility of MRI for evaluating lower urinary tract anatomy and pathology in dogs. It was hypothesized that the T2-weighted (T2W) sequence would provide the most distinct visualization of urethral layers, while the contrast-enhanced T1-weighted (post-T1W) sequence would best delineate bladder wall layers. ANIMALS: Five healthy dogs and six dogs with suspected uroepithelial tumors.
methodsMagnetic resonance imaging sequences (T2W, pre-T1W, and post-T1W) and contrast-enhanced CT (post-CT) were performed. Images were evaluated for urethral and bladder wall layer distinction, urethral conspicuity, image quality, and characteristics of lower urinary tract tumors.
resultsT2W sequence clearly delineated urethral wall layers and differentiated the urethral mucosal layer from the lumen using urine as a natural contrast. Post-T1W sequence enhanced bladder wall layer visualization, improving anatomical boundary conspicuity and aiding in tumor invasion detection. In contrast, post-CT allowed rapid imaging with minimal motion artifacts but provided limited soft-tissue detail. CONCLUSION AND CLINICAL IMPORTANCE: Magnetic resonance imaging demonstrated superior efficacy in evaluating anatomic structures and lesions of the lower urinary tract, particularly in assessing tissue invasion. Combining T2W and post-T1W sequences optimized diagnostic accuracy, making MRI a valuable tool for assessing lower urinary tract pathology in dogs.
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