It is well documented that undescended testicle can develop into a cancerous testicle in old age. For dogs, 7 years and above is considered old. Some vets do not remove the undescended abdominal testes for some reasons and will remove only those under the inguinal skin. Some Singapore owners believe it is cruel to neuter the male dog and so will not get retained testes removed.
In this case, the 8-year-old Sheltie was not neutered. He has a descended right testes and a left testes inside the abdomen. The abdominal testes become cancerous.The first vet advises removal before it becomes rotten and cause infections leading to death. The owner got the surgery done at Toa Payoh Vets.
SURGERY - ABDOMINAL CRYPTORCHID NEUTER
The owner did not want histology. It looks like a Sertoli cell tumour