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Lump with open sores.

Species: Dog
Breed: Rottweiler
Age: 8-11 years
Hello. My dog has a very large lump on his leg with open sores which bleeds occasionally. The lump is very warm and developed over a months time. I suspect that it might be a hot spot but was wondering if I could send you a picture to help confirm. Thank you for your time.


Online vet, Dr. Marie

Dr. Marie replied:

Hi there...I'll be responding to your question in full later on this evening, but yes, a photo would be very helpful! You can simply reply to the email you received notifying you of this reply and attach a photo. Thanks!

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.

Online vet, Dr. Marie

Dr. Marie replied:

Thanks for sending the photo. I've included it here:

lump on dog's leg

I can't give you an official diagnosis over the internet, but what I see on this photo has me very concerned. This looks like it could be some sort of a cancerous tumor. Unfortunately rottweilers are quite prone to getting cancers.

I have seen some benign tumors that looked like this and then started to ulcerate once they grew too big. But I think that we need to prepare ourselves that this could be something serious.

Another thing that I have seen that could look like this is something called a lick granuloma. This is something that starts off as a wound and then as the dog licks it more and more it can become an ugly mass. But I can't say that I have seen one get quite this big though.

It really would be a good idea to have your vet take a look. They will likely do a fine needle aspirate of the lump which should tell us exactly what the problem is. It's possible that surgery could be done to remove the lump.

I hope everything is ok.

Dr. Marie.



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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.