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OJVRTM
Online
Journal of Veterinary Research©
12 (2): 6-69, 2008. Editors note: Extensively redacted 2018.
Ultrasonographic diagnosis of transitional
cell carcinoma of the urinary bladder in a dog.
Aissi A.
Head of Surgery and Imaging Service; Surgery and
Imaging Service; Veterinary Faculty; Batna
University, Algeria.
ABSTRACT
Aissi A, Ultrasonographic
diagnosis of transitional cell carcinoma of the urinary bladder in a dog, Onl J Vet Res, 12 (2) 67-69, 2008. The most common cancer
of the dog urinary bladder is invasive transitional cell carcinoma (TCC) of
intermediate to high grade. A 10 year old male, local breed dog with 2-month
intermittent hematuria but alert and with normal appetite was presented for
treatment. Examination revealed tensed abdomen and a pale mucous membrane with
a large firm mass palpable in the caudal abdomen. The dog had normal hemogram, elevated alkaline phosphatase (225 units), normal
blood urea nitrogen (13 mg%) and creatinine (0.8 mg%).
Plain abdominal radiography showed normal hepatic and kidney size with a marked
distension of urinary bladder without calculi. Ultrasonography was performed in
B-real mode 5 MHz broadband, convex, phased array transducer. By echo, liver,
spleen and kidney parenchyma appeared normal. A 3.8 by 7.5 cm mass with mixed
echotexture occupied the bladder with only small amount of anechoic urine
surrounding it. This mass was sessile and had an irregular intraluminal margin
protruding from the mid-dorsal region of bladder wall. The urinary bladder wall
was thickened (8 mm in diameter) at the wide base of the infiltrative mass
attachment. Abnormalities in the kidneys, ureters and iliac lymph nodes were
not observed. TCC is a malignant tumor that develops from the transitional
epithelial cells that line the bladder. In dogs, this tumor invades into the
deeper layers of the bladder wall including the bladder muscles. Canine TCC
also has the ability to spread to lymph nodes and to other organs in the body
(lung, liver, others). TCC most frequently is found in the bladder, but can
also develop in the kidneys, ureters, and prostate. We diagnosed transitional cell carcinoma
of the urinary bladder. This finding was confirmed by histopathology.
Key words: ultrasound, dog, carcinoma, urinary bladder.
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