Prostate Cancer (Adenocarcinoma) in Cats

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Prostatic Adenocarcinoma in Cats

The prostate gland is an important part of the male reproductive system. It contains many valuable and essential enzymes, including calcium and citric acid,and also plays an important role in the protection and motility of sperm. The liquid secreted by the prostate gland aids in the liquefaction of semen after ejaculation, and in the protection of sperm in the vagina.

Adenocarcinoma of the prostate gland is reported in cats but is relatively rare in this species as compared to dogs. Adenocarcinoma of the prostate gland originates in the glandular tissue and can grow and metastasize rapidly to other parts and organs of body. Llike other types of carcinomas, adenocarcinoma of the prostate gland typically affects older cats, usually those that are older than eight years of age.

Symptoms and Types

In adenocarcinoma of the prostate, the symptoms may vary depending upon the presence, extent, and location of metastasis to other parts of the body. Following are the symptoms commonly seen in adenocarcinoma of the prostate gland:

  • Ribbon-shaped stool
  • Poor appetite
  • Weight loss
  • Difficulty in passing urine
  • Complete urine blockage
  • Pain, especially when the affected area of the prostate is touched
  • Fever
  • Difficult breathing


  • Idiopathic - the exact cause is still unknown
  • Hormonal imbalance is suggested as one possible cause


You will need to give a thorough history of your cat's health, including a background history of symptoms. Your veterinarian will perform a complete physical examination on your cat, including blood tests and a biochemistry profile. Urine tests are an important part of the diagnostic process. The urine will be examined for the presence of white blood cells, infection, and malignant cells. Abdominal radiographs and ultrasonography will also be performed to view the symmetry, size, and outline of the prostate gland. Prostate tissue will also be taken by prostatic biopsy to help confirm the diagnosis.


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