The gallbladder is a small organ where bile is stored, before it is released into the small intestine. Dogs (and all other Vertebrates) can live without a gallbladder. The surgical removal of the gallbladder is called a cholecystectomy.

Gallbladder Mucocele

Gallbladder mucocele is a condition in dogs due to accumulation of mucus in the gallbladder. This has been reported as the most common cause of canine extrahepatic biliary duct obstruction (EHBO). The patient was presented with abdominal discomfort and vomiting. Bloodwork showed elevations of liver enzymes and bilirubin. After performing the ultrasound exam Doctor Neumeister diagnosed the gallbladder mucocele. As you can see on the video below: there is a characteristic appearance to the gallbladder termed Kiwi gallbladder. The gallbladder was successfully removed, and the patient recovered fully. A normal lifespan is expected.

Gallbladder with mass

1) image source: http://www.merckmanuals.com/pethealth/dog_disorders_and_diseases/digestive_disorders_of_dogs/disorders_of_the_liver_and_gallbladder_in_dogs.html