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My dog has skin bumps, a colon mass, and weak leg. Are they related?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Large (61lb +) | Female | spayed | 9 years and 8 months old | 98 lbs

My dog has pea to dime size bumps all over. Took to vet and they did a radiograph and said they found a lump inside her colon. Are these bumps related? The did an aspiration and said there are round cells present and it may be lymphoma but her lymph nodes are not swollen. Also she has lost mobility in her left rear leg. DNA test for myelopathy shows she is clear. Please help me understand.

1 Answer

Most Helpful Answer

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Answered By Megan, DVM, CVA

Veterinarian

Published on February 13th, 2019

Poor Areisa. I am sorry that you all are going through of this. Without seeing her or any of the tests, it is impossible for me to say exactly what the problem is. If the masses on her skin have been there for awhile and your vet has looked at them, then they are most likely benign. If your vet hasn't looked at them then I would have your vet take a look. They may want to aspirate them to see if they are concerning. As for the mass in the colon, I doubt it is related to the masses on the skin. If they just did an x-ray, I would talk to them about whether or not they can do an abdominal ultrasound as they may be able to get a better look at this mass and if it is truly in the colon. Your vet can also refer you to a specialist for an ultrasound or an colonscopy to get a better idea of what is going on in the colon. They are a lot of things that can cause a lost of mobility of one leg like a nerve sheath tumor, a disc abnormality, a clot in the spine, severe arthritis, discospondylosis, and much more. Most of the time degenerative myelopathy cause weakness in BOTH rear legs. It is great news that she is negative for that. I would talk to your vet about starting her on some meds to help with that legs or you could seek out a integrative vet in your area that does acupuncture and Chinese herbs. I have seen great results with these situations using this type of meds on top of western meds. I hope this helps!

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