When a dog is neutered, the vet will typically remove the testicles from the scrotum — and that is the extent of the procedure. However, some dog owners these days are opting to have prosthetic or false testicles added to their dog's scrotum after they are neutered. If you are thinking about having this done for you dog, you should first review these questions and answers to get a better idea of whether or not this is the right approach for you.