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What is Cryptorchidism?

Purebred dogs are at greatest risk. Small, especially toy, breed dogs such as the Pomeranian, Yorkshire Terrier , Dachshund, Chihuahua, Schnauzer, Maltese, and Toy Poodle appear to be at  greater risk but larger dogs, such as English Bulldog and Boxer, also can be affected.

Cryptorchidism is the failure of one or both testicles to drop into the scrotal sac in male dogs. The testicle can be retained in the abdomen or anywhere along the path to the scrotum pouch. Where the testicle is lodged depends entirely on its size at the time of descent.

Cryptorchidism Average Cost

From 555 quotes ranging from $800 - $2,000

Average Cost

$1,400

Symptoms of Cryptorchidism in Dogs

Both testicles should drop in normal dogs by eight weeks of age. If one or more have not by that time, your dog should be considered as having cryptorchidism. Some texts are more generous and will give a dog until 16 weeks before confirming a diagnosis. Pain is rarely associated with cryptorchidism. One complication that may happen, and will cause severe abdominal pain, is the spermatic cord twisting onto itself. On occasion, other abnormalities are associated with cryptorchidism. They are:

  • Dislocated kneecap
  • Abnormally small eyes
  • Heart defect
  • Undeveloped eyelids
  • Abnormal legs
  • Hip dysplasia

Sometimes testicles that are retained in the abdomen lead to a type of cancer that causes a dog to secrete large amounts of estrogen. This leads to a condition known as male feminizing syndrome.  In this case, a male dog may stop lifting his leg and start to squat like a female. His coat will change. This is often the first symptom owners see. If the dog is unilaterally cryptorchid the normal testicle will often shrink (atrophy). Left unchecked, this condition can lead to pain during urination, infertility, and secondary infections. Excessive estrogen production can also lead to a life-threatening condition called estrogen toxicity.

Types

Cryptorchidism can happen in one or both testicles. If both testicles are retained in the abdomen the dog will likely be infertile. The retained testicles will continue to produce testosterone but not sperm.

  • Unilateral - One testicle is affected

  • Bilateral - Both testicles are affected
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Causes of Cryptorchidism in Dogs

Cryptorchidism is an autosomal recessive inherited trait, which means it must be present in both parent’s genetic lines to develop. It is difficult to determine if the dam carries the gene. It is generally determined by her offspring. Breeders are often hesitant to remove an otherwise healthy, sound dog from a breeding program for a seemingly superficial reason. Unilateral or bilateral cryptorchid dogs do not fit the breeding standard and are not accepted in the show ring.

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Diagnosis of Cryptorchidism in Dogs

If your dog’s testes do not drop by eight weeks of age he is considered at risk for cryptorchidism. It is possible to wait until your dog is four months before definitely determining a diagnosis. Testicles have been known to drop even later in dogs. On occasion in older dogs, one testicle has been removed for medical reasons (cancer, injury) while the other was spared, usually at the request of the owner.

If this dog later ends up in rescue it can appear unilaterally cryptorchid. The veterinarian will have to look for scars and try to obtain history on the dog for diagnosis. Sparing one gonad is not usually recommended. Adult dogs that are bilaterally cryptorchid will appear much like an unaltered male (save the testicles) due to the fact that the testicles still produce testosterone in the body. These dogs will have the full head and shoulders of an unaltered male. Dogs altered after puberty will have flattened scrotal sacks while the bilateral cryptorchid dog will not.

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Treatment of Cryptorchidism in Dogs

No treatment other than neutering is recommended. Dogs with cryptorchidism are thirteen times more likely to develop testicular cancer than normal dogs. Fertility may or may not be affected but dogs with cryptorchidism are not recommended to be bred. If an attempt at preserving lineage it often results in complications and pain for the dog and a tarnishing of a name for the breeder.

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Recovery of Cryptorchidism in Dogs

Recovery is excellent in dogs that are neutered before complications arise. If the retained testicle is left, it may develop cancer, and chemotherapy is sometimes needed.

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Cryptorchidism Average Cost

From 555 quotes ranging from $800 - $2,000

Average Cost

$1,400

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Cryptorchidism Questions and Advice from Veterinary Professionals

Need pet health advice? Ask a vet

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Ask a Vet

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Thor

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Siberian Husky

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Three Years

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Moderate severity

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Moderate severity

Has Symptoms

Hip Dysplasia
Hip Dysplasia, Left Leg&Knee Abnorm

My dog is 3 years old and has cryptorchidism. He has not been neutered but we plan to do that in within the month. He has all the symptoms of cryptorchidism; hip dysplasia, knee abnormality and abnormal legs. If he was to be neutered would it fix the underlining condition? What do you recommend for his future treatments?

July 28, 2018

Thor's Owner

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3320 Recommendations

Neutering will resolve the issue with the retained testicle, but it wouldn’t resolve the hip dysplasia or the knee abnormality; you should discuss all these issues with your Veterinarian and there are various approaches for hip dysplasia and numerous different conditions affecting the knee. Regards Dr Callum Turner DVM

July 29, 2018

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Molly

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Goldendoodle

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4 Years

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Fair severity

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0 found helpful

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Fair severity

Has Symptoms

Retained Testicle

Our dog, a 4 year old Goldendoodle had a litter of puppies last year. We just found out that one of the pups, which is now 9 months old, is cryptorchid. We would like to get 1 or 2 more litters of puppies from our doodle before we retire her. Should we stop breeding her because one of her pups is crytorchid?

July 14, 2018

Molly's Owner

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3320 Recommendations

Generally it is best practice to remove the cryptorchid dog, the dam and the sire from the breeding pool; there is a lot of debate around this with some breeding clubs going against veterinary advice. Regards Dr Callum Turner DVM http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.692.9107&rep;=rep1&type;=pdf

July 15, 2018

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tyson

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Poodle

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4 Years

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Mild severity

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0 found helpful

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Mild severity

Has Symptoms

My 4 year old dog just got fixed today he was missing one testicles, since we brought him home he won't sit or lay he is just standing most of the time or sitting on all 4's. i don't know what to do to make him more comfortable or what to do so he can sleep, he is crying every 10 minutes or so, he is also a nervous dog so having the cone around his head makes it worse, i have been taking the cone off to feed him and putting it back when he is done, is that ok?

Oct. 31, 2017

tyson's Owner

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3320 Recommendations

Taking the cone off temporarily under supervision is alright so you can stop him from nibbling at his sutures if he tries; the problem with cryptorchid neutering is that many times the testicle isn’t easily accessible and your Veterinarian may need to ‘dig around’ (I cannot think of a better description) which causes more discomfort than a regular neutering procedure. The pain is as expected and allowing him to rest is important, I would just check for improvement day by day and make sure any wound is healing nicely. Regards Dr Callum Turner DVM

Oct. 31, 2017

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Blaze

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Boxer

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3 Years

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Fair severity

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0 found helpful

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Fair severity

Has Symptoms

Diarrhea

Are fixing cryptorchidism and neutering two different things? If I am taking my dog to be neutered, will the vet be able to continue with the procedure even though my dog has crypotochidism?

Oct. 20, 2017

Blaze's Owner

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3320 Recommendations

The two procedures have a similar goal (remove the testicles) but may have a different approach since the location of the cryptorchid testicle(s) could be difficult to find which means that your Veterinarian may need to make a separate incision wound in order to get access to the testicle(s). Regards Dr Callum Turner DVM

Oct. 21, 2017

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Cryptorchidism Average Cost

From 555 quotes ranging from $800 - $2,000

Average Cost

$1,400

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