A three-year-old, intact male, Siberian husky was evaluated for a two
day history of dysuria, Sonographically there was an anechoic cyst-lik
e structure in the urinary bladder, The abnormality appeared to be a '
cyst within a cyst', which is a characteristic ultrasonographic featur
e of ureterocele in humans, Ultrasonography may be a useful means of e
stablishing a diagnosis of ureterocele in dogs.