Dog mole/bump under lip, can you tell me what this is?

  • Last Updated:
  • Apr 19th, 2020 10:22 am
Mar 11, 2011
225 posts

Dog mole/bump under lip, can you tell me what this is?

My 10 year old dog (Border Collie and American Eskimo) developed this mole/bump on his lower lip/chin.

He acts normal and is still eating but is worrying me. I rather not go to the Vet right now unless I absolutely have to because of COVID.

I did not notice this being there a week ago.

Any idea what this can be from looking at the picture?

Hoping it's nothing serious.
  • IMG_20200416_224058.jpg
  • IMG_20200417_233638.jpg
3 replies
Deal Addict
Aug 1, 2006
1501 posts
Looks like a histiocytoma (skin tumour) to me which is usually benign. If it doesn't go away in a few weeks or is getting bigger get it checked out by a vet.
Deal Addict
Oct 3, 2013
1265 posts
I ain't a vet, but just applying some principles from human dermatology, one should use the ABCDE rule:

A - asymmetry
B - irregular borders
C - non-uniform colour
D - diameter > 6mm
E - evolution (progression) of any of the above

As of now, the only thing of interest appears to be the diameter. Much like the above poster has said, just watch it and monitor it every week or so. I would try to either take regular pictures or measurements so you can accurately track it. If "E" occurs, I would bite the bullet and get it checked out. Please note that the "rule" is only a guideline.
Deal Addict
Jan 28, 2014
3333 posts
h3nry888 - It is hard to know. Our 16 year old Eskie has had a couple of growths removed while he was under for a dental - he was 12 at the time. One looked suspicious and was sent out for testing. Fortunately, it was benign, but as we watched them under our vet's guidance, they turned black and became a hindrance to him.

If you do need to see your vet, I suggest that you e-mail the pictures of the growth to them. If it comes to it they will take your pup from you at the door (at arm's length) and examine him and then bring him back to you. Not the best of solutions but the only one available at this time.

Personally, I would also very carefully check his body for other growths. Depending on whether the Border Collie or the Eskie genes determined the amount of fur - it won't be easy, but I think it will be a bit easier if the Border Collie half presented itself. On the other hand our Eskie is a bear type with a ton of hairy fur.

Don't be surprised if you find a few growths or warts at first check and then can't find them again - it is the fur. I suggest you mark the spots with lipstick or something. It was a lot easier to find lumps on our previous short-haired dogs.

I check the website of our vet clinic every day for further updates. They are working greatly reduced hours with greatly reduced services. I also check the OVMA website - the last update was April 17. Previous one was April 17. Guidelines only.

Our dog being over 16 is a big issue for us at this time. I am sure you can understand why. This is one of the reasons I check the websites.

If you have an emergency and have to access the VEC on McMurrich St. in Toronto note that they too will not allow people into the facility - and most of the specialists working at the VEC closed up shop the evening of Mar. 17. We know this because we ordered our dog's medication the night the specialists closed and it was left for us at the front desk of the VEC. Getting it was another matter but we did.