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My dog has a raised lump on her neck near her collar. Should I worry?

Updated on September 23, 2025

Pet's info: Dog | Labrador Retriever | Female | spayed | 8 years and 8 months old | 75 lbs

Just noticed a large raised round lesion on my yellow Labrador on the back of her neck where her collar lays. Wondering if I should be concerned? She isn’t acting any different and may not even be aware that it’s there.

3 Answers

Most Helpful Answer

Answered By Ana M, DVM

Veterinarian

Published on May 9, 2018

Thank you for submitting your question regarding Bailey. She appears to have a wart like skin mass on her neck. These are common in middle aged to older dogs. They are not typically problematic for the dog, but the dog may grow more over time. If the masses enlarges, changes in appearance or begins to bother her, she will need to see her veterinarian to ensure it is not something else. I hope this information helps!

1Pet Parents found this answer helpful

Related Answers from Veterinarians

Answered By David Elbeze, DVM, MRCVS
Veterinarian
Published on December 3, 2018
This lump needs to be checked and analysed as there are many conditions and types of tumors that could look like that. take Emily to the vet, they will perform a fine needle aspiration on the growth and send it to the lab for analysis. when the result comes, the vet will advise what needs to be done according to the diagnosis.
1Pet Parents found this answer helpful
Answered By Jessica Keay, DVM
Veterinarian
Published on September 4, 2018
I am sorry to hear about your concern for Maggie. We can have benign cysts that can arise, especially in older dogs, but it is best to have any new growths in older dogs examined by your veterinarian. Your vet may recommend doing a fine needle aspirate (inserting a small needle into the growth to collect cells to view under the microscope) to determine if the masses are a type which should be removed surgically.
1Pet Parents found this answer helpful

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Related Questions

What's this red raised lump on my dog's neck under his collar?

Hello, thank you for using Petco Pet Education Center, formerly Petcoach. Sorry to hear that Link has this issue. This appears to be a cyst but it could also be a plugged hair follicle, an abscess or even a tumor. There is no way to know just by looking at it, unfortunately. If this was my dog I would not be overly worried at this point. I would leave the collar off, if possible, and only put it on as needed to prevent it from rubbing on it and just monitor it. If after another 7-10 days it does not resolve or it gets larger (or opens) then I suggest you take him to your vet for an exam. Don't put anything on it. Hope this helps. Best wishes.

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My dog has a red, hairless lump on her neck. What could it be?

I recommend to have Lola examined by her veterinarian. Skin masses can be many things but red raised masses are especially concerning for a skin cancer called a Mast Cell tumor. An infection is also possible. Your veterinarian may need to collect a sample of cell to examine under the microscope to determine what this is and if further treatment is needed. Have this checked out soon.

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My Lab has wart-like growths on her face and ear. Should I worry?

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! These growths can be common on certain breeds, including labs. They tend to be sebaceous adenomas and are usually benign. She will likely develop more. Sometimes they ooze brown discharge or the dogs will lick them and make them bleeding prompting removal. I hope this helps and I wish Hailey the best!

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My dog has a dry lump on his neck under his collar. What should I do?

It is difficult to know what the initial lesion was, an insect bite, a skin growth, or a place where his collar has rubbed and irritated the skin are all possible causes. I would do the following; Replace his collar with a chest harness to let the area rest Clean the lump with warm water and then leave open to dry Measure the lump with a ruler In 2 weeks measure the lump again. Check for growth, changes in texture, colour or bleeding. If you notice any of these then I would advise a check-up at the vet.

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My dog has a small pink bump on her neck. Is it a harmless wart?

This is likely a harmless wart, especially since it has not changed in size or shape for many months. Continue monitoring it and if it changes in shape, size or color have your veterinarian examine it. Your vet may then want to do a fine needle aspirate (he takes some material from the bump with a needle and then looks at it under the microscope) to determine whether the mass is concerning.

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My dog has two lumps on its nose overnight. What could it be?

Hello, thank you for your question about Bailey. Based oh the photo that you have provided I suspect that those bumps are hives and signs that Bailey is having an allergic reaction. If the reaction is mild and these are the only signs that you are seeing you could try giving her Benadryl at home to control the reaction. If she is showing any other symptoms such as vomiting, diarrhea, or progressive facial swelling I would recommend having her evaluated by a veterinarian. Hope this helps, good luck!

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My 8-year-old Labrador has a golf ball lump on his neck. What is it?

Depending on the location of the lump, it could be Chico's lymph node that is the swelling. Those get swollen due to lymphoma, cancer, or infection. Any suspicious lump should be checked out by your vet. I recommend taking Chico into your vet to have that lump examined. Your vet can do a test called a fine needle aspirate to determine what that lump could be. To do this, your vet sticks a small needle into the lump to get a sample of it's cells, and examines the cells on a slide under a microscope. It's usually painless to the animal, and relatively quick to perform.

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