Testicular tumors are the most common tumor of the canine male reproductive tract. Tumor types include Sertoli cell tumor, seminoma, and interstitial cell tumor. None commonly metastasize.

• 睾丸肿瘤是公犬最常见的生殖道肿瘤。种类类型包括:支持细胞瘤；精原细胞瘤和间质细胞肿瘤.；通常不会转移。