Testicular Tumors in Dogs 

What are testicular tumors?

Testicular tumors are cancer that develops in the testicles of dogs.

Symptoms of testicular tumors

The symptoms of testicular tumors can vary, but may include a lump or swelling in the testicle, pain, or changes in the dog's behavior.

Testicular tumors diagnosed?

Testicular tumors are diagnosed with a physical exam, blood tests, and imaging tests, such as an ultrasound. 

Treatment options

The treatment for testicular tumors depends on the type and stage of the tumor. Treatment options may include surgery, radiation therapy, or chemotherapy.

Prognosis for testicular tumors 

The prognosis for testicular tumors is good if they are diagnosed and treated early. 

How to prevent 

There is no sure way to prevent testicular tumors, but neutering your dog before they reach sexual maturity can help to reduce the risk


There are three main types of testicular tumors in dogs: seminomas, interstitial cell tumors, and Sertoli cell tumors.

Ear Cropping in Dogs