Updated On September 23rd, 2025
Pet's info: Dog | Mixed Breed Large (61lb +) | Male | neutered | 85 lbs
My dog has had this mark on his leg for a while (4 months). It now seems to be growing and getting red, whereas before it looked like a large mole. He is not in any pain or discomfort when is it touched. It has not affected his movement at all. Just wondering what it may be and what steps to take next?
1 Answer
Published on December 16th, 2017
I would recommend to take Atlas in to get that mass aspirated. Any red mass should always be checked as there is the concern for a malignant tumor called a Mast Cell Tumor. The aspiration will most likely be able to tell what kind of mass it is and if it needs to be removed. Do this sooner rather than later! Please post again if you have any further questions!
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