Lump on dog's chin.

Dr. Marie replied:

Thank you for sending me this photo of the bump on your dog's chin:



I would imagine that this was a hard photo to get. :)

I won't be able to say for certain what this bump is but I can give you a few ideas. In a young dog, often a smooth pink lump like this can be something called a histiocytoma. A histiocytoma is nothing to worry about and goes away on its own within a few weeks or months.

However, something that can look similar to a histiocytoma is a mast cell tumor. Some mast cell tumors are nothing to worry about, but others can be quite serious.

The only way to know the difference between a histiocytoma and a mast cell tumor is to have your vet put a small needle into it and draw some cells out to have a look at under the microscope. It's not a painful test at all.

There are other possibilities. I have seen some scrapes and small wounds that look like this. However, my best guess is that this will end up being a histiocytoma.

It's not something that you need to rush to the vet for right away but it's not a bad idea to have it checked out in the next week just to be sure.

Dr. Marie.


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Dr. Marie replied:

Fantastic. Thank you for letting me know!