Testicle Cancer in Dogs

Testicular cancer is one of the most common forms of cancer in male dogs who have not been neutered. Fortunately, it is also one of the most preventable and treatable forms of cancer to affect canines. Testicular tumors occur more frequently as unaltered dogs age and do not appear to be more prevalent in certain breeds. Owners who fear their dogs are at risk are encouraged to consult with a veterinarian and consider neutering their pet for better health, according to the Humane Society of the United States.

  1. Types

    • Testicular tumors are cancerous growths that develop in a dog’s testicles. Dr. Johnny D. Hoskins, DVM and founder of DocuTech Services, warns there are three common forms of testicular tumors--seminomas, sertoli cell and interstitial cell tumors. Although there are some differences between these three types, each one is treated similarly. That’s why the three are commonly referred to only as testicular tumors.

    Symptoms

    • Perhaps the most common symptom of testicular cancer is swelling. Swelling can occur at the testicular and scrotal area or the abdominal area. Other symptoms include an enlarged prostate, hair loss, enlarged mammary glands and nipples, anemia and a tendency to attract other male dogs due to an overproduction of estrogen.

    Diagnosis

    • A veterinarian will diagnosis this condition after an examination followed by a biopsy or microscopic examination of the removed tumor. Many dogs with symptoms of testicular cancer will also undergo abdominal and chest X-rays along with a blood count and chemistry panel, according to PetEducation.com.

    Treatment

    • When a dog is diagnosed with testicular tumors, he is neutered, and no other treatment is typically required. In up to 15 percent of all cases, the tumors will advance to metastasis, which essentially means it has spread to other parts of the dog’s body. In this case, chemotherapy is required. Dr. Hoskins warns that dogs with metastasized tumors will have a more guarded prognosis than dogs without, who are typically completely cured by castration.

    Prevention

    • Dr. Hoskins advises all dog owners to have their male pets neutered. Likewise, PetEducation.com argues that castration also prevents aggression, urine marking, roaming and other unwanted behaviors. It also estimates that neutering a dog while young will save its owners money in the long run, since other health problems can be eliminated before they arise.