The gallbladder is a small hollow organ where bile is stored and concentrated before it is released into the small intestine. It is closely related liver. There are high chances changes in one organ may affect the second one.
The occurrence of disarrays restricted to the gallbladder and the biliary tree [system of vessels that directs secretions from the liver, gallbladder and pancreas] is low, as compared to the chronic liver diseases that occurs in dogs1.
The biliary or intestinal inflammations are less commonly recognized in clinical practice. Most of the biliary duct infections in dogs occur due to biliary carcinoma, pancreatic carcinoma, pancreatic disease and intestinal neoplasia.
Ultrasonography is a diagnostic imaging technique based on the application of ultrasound. It is used to see internal body structures such as tendons, muscles, joints, blood vessels, and internal organs. Most of the gallbladder related problems in humans are diagnosed via ultrasonography technique2.
Ever since the use of ultrasonography (US) imaging technique became prevalent and popular, the detection of polypoid lesions of the gallbladder (PLG) has increased significantly3. When compared with humans, the polypoid lesions of the gall bladder are rarely observed in veterinary medicine.
Scientists conducted a case study in order to evaluate gallbladder lesions via ultrasonography. A case study of a five-year-old, male, and mixed-breed dog was identified with gallbladder wall thickness, accompanied by intra-luminal fillings indicative of polyp’s mass4.
The liver had normal structure and limits with no mass lesions were detected. A cholecystectomy (surgical removal of the gall bladder) was performed 1 week after initial case presentation. The gallbladder was enlarged (5 cm in diameter) with a thickened wall, intra-luminal mass was 2 cm in diameter .The fatty mass had a sessile attachment at the neck of the gallbladder and partial occluded the lumen4.
The cause of most gall bladder disease is not well defined in the dog. Many dogs with gall bladder disease have some sort of underlying metabolic or hormonal problem5. Vesicular polyps sometimes grow inside the gall bladder, where they protrude from the mucous membrane of the inner wall. The polyps are of variable size, with a certain range of 1 cm in diameter or even more.
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21 August, 2019