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Small pink lump on back.

Species: Dog
Breed: Caviler King Charles
Age: 5-8 years
My dog has had a small light pink lump on his back for a little while now. I have recently noticed that it has grown a small amount. To describe it, it has three small round lumps all together in one lump. One of the three looks like it has liquid in it. I can push into it without it hurting my dog at all. Should I take him to a vet right away, pop it with a needle? Could this just be a mole due to old age? He is 10 years old. Thanks.


Online vet, Dr. Marie

Dr. Marie replied:

Thanks for your question. It's always hard to answer questions about lumps without actually being able to see the lump.

There is a good chance that what you are describing is a cyst. If so, most cysts are nothing to worry about.

However, there are some cancerous lumps that can look like this. It could be something called a mast cell tumor, a spindle cell tumor or even a fibrosarcoma.

You definitely should not try to pop it. This will not accomplish anything and could make things worse.

It's probably a good idea to have your vet take a look. If it is something serious then they can remove it for you. And if not, then at least you know not to worry!

Hope everything is ok!

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.