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Ovarian remnant syndrome.

Species: Cat
Breed: mixed
Age: 6-12 months
Hi there,

We had our beautiful, angel, female kitten spayed just over one month ago as she went into heat. Unfortunately she appears to have gone into heat again as of last night. I would like to confirm that this is not normal and that she needs to be seen by a vet again. I would also like to understand what steps they would be likely to take.

As some background information, we live in a country where the standard of veterinary practice does not seem very high. Our vet also doesn't speak English very well so we thought we'd try to get an answer online before making a decision to take her back or not.

Many thanks for your time!!! It's appreciated!!


Online vet, Dr. Marie

Dr. Marie replied:

If Kitty is truly in heat again then it's possible that she has something called ovarian remnant syndrome. This happens when a piece of ovary remains in the body after the spay.

Sometimes this can be the fault of the veterinarian. In these cases, it is because not all of the ovary is removed during the spay. However, a lot of the time, the cause is not the vet's fault. Rather, the cat may have had what is called an ectopic piece of ovarian tissue. This could be because part of the ovary fell off at some point and, for example, implanted on the spleen.

Most likely Kitty will need to have another exploratory surgery. It is important that this is done when she is in heat. The reason for this is that the ovary (or piece of ovary) will be at its largest during a heat and easier to see.

If this were my case, if I did find a piece of ovary that looked like I had not removed all of it then I likely would not charge for the surgery. But, if there was ovary in another part of the abdomen then there would definitely be a regular surgery charge.

I can say though that in 13 years of practice I have never had an animal where I had left a piece of ovary in. It is not something that commonly happens!

I hope that helps!

Dr. Marie.

---This question was asked in our Ask A Vet For Free section.---


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Disclaimer: Although Dr. Marie is a qualified veterinarian, the information found on this site is not meant to replace the advice of your own veterinarian. AskAVetQuestion.com and Dr. Marie do not accept any responsibility for any loss, damage, injury, death, or disease which may arise from reliance on information contained on this site. Do not use information found on this site for diagnosing or treating your pet. Anything you read here is for information only.

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Dr. MarieDr. Marie is a veterinarian who practices in a busy animal hospital in Ottawa, Ontario. She created Ask A Vet Question as a resource for good, accurate veterinary advice online. Dr. Marie treats dogs, cats, hamsters, guinea pigs, and rats. She has been a vet since 1999.

Is an online vet visit just as good as a trip to your veterinarian? No! But, many times, asking an online veterinarian a question can help save you money. While Dr. Marie can't officially diagnose your pet or prescribe medications, she can often advise you on whether a vet visit is necessary. You can also ask Dr. Marie for a second opinion on your pet's condition.