Clinical experience of MRI in two dogs with muscle-invasive transitional cell carcinoma of the urinary bladder

This study described high-field magnetic resonance imaging (MRI) and computed tomography (CT) characteristics of muscle-invasive bladder transitional cell carcinoma (TCC) in two dogs. Ultrasonography revealed a urinary bladder mass with ambiguous result about invasion to the muscular layer. Contrast...

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Bibliographic Details
Published in:Journal of Veterinary Medical Science 2016, Vol.78(8), pp.1351-1354
Main Authors: LEE, Kija, CHOI, Sooyoung, CHOI, Hojung, LEE, Youngwon
Format: Article
Language:English
Subjects:
Animals
Bladder
canine
Carcinoma, Transitional Cell - diagnostic imaging
Carcinoma, Transitional Cell - pathology
Carcinoma, Transitional Cell - veterinary
Computed tomography
Dog Diseases - diagnostic imaging
Dogs
Female
Image contrast
Invasiveness
Magnetic resonance imaging
Magnetic Resonance Imaging - veterinary
Male
Muscle Neoplasms - diagnostic imaging
Muscle Neoplasms - secondary
Muscle Neoplasms - veterinary
muscle-invasive
Muscles
Neoplasm Invasiveness
NMR
Nuclear magnetic resonance
Surgery
Tomography, X-Ray Computed - veterinary
Transitional cell carcinoma
Ultrasound
Urinary bladder
Urinary Bladder Neoplasms - diagnostic imaging
Urinary Bladder Neoplasms - pathology
Urinary Bladder Neoplasms - veterinary
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Summary:This study described high-field magnetic resonance imaging (MRI) and computed tomography (CT) characteristics of muscle-invasive bladder transitional cell carcinoma (TCC) in two dogs. Ultrasonography revealed a urinary bladder mass with ambiguous result about invasion to the muscular layer. Contrast-enhanced CT showed that the bladder wall in which the mass was attached was more intensely enhanced than the normal bladder walls, supporting invasion to the muscular layer. The mass revealed an intermediate signal intensity with interruption of the hypointense muscular layer on T2-weighted MRI and showed greater enhancement compared with the normal bladder wall on postcontrast T1-weighted images. T2-weighted MRI, postcontrast T1-weighted MRI and contrast-enhanced dual-phasic CT were useful for evaluating muscle-invasive bladder TCC in dogs.
ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.15-0622