Testicular tumours are a relatively common affliction of older, intact male dogs seen in small animal practice. Seminomas, Sertoli cell tumours and interstitial cell tumours occur with roughly equal frequency. The incidence of tumours increases by 13-fold in cryptorchid testicles.
Not surprisingly, exotics are prone to similar afflictions, although the incidence of testicular tumours in reptile species is not well known. Continue reading Clinical Zoo: Chase the dragon!