Cancer of the Spleen in Dogs

Cancer of the spleen in dogs occurs primarily in dogs between the ages of nine and eleven years old. German shepherds have a propensity to develop cancer of the spleen. The medical term for cancer of the spleen in dogs is hemangiosarcoma.

  1. Significance

    • The significance of cancer of the spleen in dogs is that it can occur anywhere that blood vessels are present. Since the spleen has a rich blood supply, it is the most common location for the cancer to initiate.

    Effects

    • Side effects of cancer of the spleen in dogs include anemia due to bleeding in the abdomen, weakness, ascites (fluid in the abdomen), difficulty breathing and intolerance to activity. If the tumor is subcutaneous, a lump may be felt under the surface of the skin.

    Identification

    • Identification or diagnosis of cancer of the spleen in dogs can include a comprehensive history and physical, blood tests, abdominal and chest x-rays, cardiac ultrasound, electrocardiogram and biopsy.

    Prevention/Solution

    • Sun exposure may contribute to cancer of the spleen in dogs, so limiting time in the sun is prudent. Treatments include supportive care, intravenous fluids, surgical intervention, blood transfusion, chemotherapy and radiation therapy.

    Considerations

    • It is imperative to notify the veterinarian if the dog appears weak, lethargic, has pale gums (sign of anemia), or if a lump can be palpated or seen.