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Lump near nipple.

Species: Dog
Breed: Border Collie
Age: 5-8 years
Dear Dr. Marie:

Hello again! I found what I think may be a lump under Jammy's third nipple up from her tail (on the left side if she is on her back and you are at her head looking down at her tail). It may be part of her innards (to use the technical term). She was spayed at 6 months before she went into heat and was recently examined by the vet (along with extensive bloodwork, urinalysis, etc) and there was nothing abnormal in those results. The lump does not appear to cause her pain when I push in on it and is not visible. It is not hard and not soft, but about the same squishiness as her other organs.

I am particularly wondering if I should make an extra trip to the vet to have this checked out, or if you think it would be alright to wait until her next routine checkup.

Thank you for your fantastic service! I always appreciate knowing that when I ask you a question I am getting sound advice!
Julie


Online vet, Dr. Marie

Dr. Marie replied:

Hi there Julie. Jammy is sure giving you a lot to get concerned about lately!

Lumps are always hard to talk about over the internet. But, I can give you some generalizations.

First of all, the fact that Jammy was spayed before her first heat makes a cancerous mammary tumor extremely unlikely.

The only things that would make me rush in to have this checked would be the following:
  • If the lump gets hard and irregular feeling

  • If it is becoming painful

  • If it is oozing

  • If it is rapidly changing in size or consistency

  • If it looks dark red, purple or black

  • If your gut is just telling you that "something is wrong"



My first guess is that this could be a fatty tumor called a lipoma. These are nothing to worry about. It could also be a reaction to some type of insect sting or foreign object (like a splinter).

Keep in mind again, that an online discussion like this definitely can't take the place of having your vet see Jammy's lump. But from what you've described I don't think you need to make a visit any time soon for this.

Dr. Marie.


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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.