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Kidney Cancer (Adenocarcinoma) in Cats

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Renal Adenocarcinoma in Cats

 

Adenocarcinoma of the kidneys is an extremely rare neoplasm in cats. When it does occur, it commonly affects older cats. There is no breed predisposition in cats for this type of tumor. Like other adenocarcinomas, adenocarcinoma of the kidney is very aggressive, growing rapidly and metastasizing to other parts and organs of the body. Another version of kidney adenocarcinoma, known as cystadenocarcinoma, is less aggressive; affected cats survive for longer period of time as compared to those with adenocarcinoma.

 

Symptoms and Types

 

The symptoms are mostly non-specific and include:

 

  • Gradual weight loss
  • Poor appetite
  • Low energy level and lethargy
  • Blood in urine 

 

Causes

 

The exact cause of adenocarcinoma of kidney is still unknown. It is categorized as idiopathic.

 

Diagnosis

 

Your veterinarian will need a thorough history of your cat's health, including a background history of symptoms. The doctor will perform a thorough physical exam on your cat, including a complete blood count, biochemical profile, and a urinalysis to rule out or confirm other causes for these symptoms. Urinalysis remains crucial in the diagnosis of adenocarcinoma of the kidneys, as it will provide important clues toward the final diagnosis. The presence of blood, proteins, and bacteria in the blood will be determined, and a urine culture will be performed to rule out any infectious causes. Sometimes, tumor cells are also seen in the urine, which is sufficient for establishing a preliminary diagnosis. Further diagnostics include X-ray and ultrasound imaging, which will demonstrate the presence, size, location and other important information regarding the tumor. If required, your veterinarian will also take a small tissue sample of the kidneys (kidney biopsy) to establish a confirmatory diagnosis. In some cases – as a last resort – surgery may be required to take a sample of the neoplasm for a definitive diagnosis.

 

 

 

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