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My dog has bubble-like lumps around his anus. What could they be?

Updated on September 23rd, 2025

Pet's info: Dog | Rottweiler | Male | unneutered | 12 years and 2 months old | 80 lbs

Hi, my 12 year old Rottweiler the last few months has started to form large buble type objects around his anus. they don't seem to cause him pain but they concern me. Any idea what these could be?

1 Answer

Most Helpful Answer

Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on August 23rd, 2017

Hi there! Thanks for using Petco Pet Education Center, formerly Petcoach! These look classic for perianal gland tumors. This is very common in intact dogs. The majority of these tumors are benign though a small percentage of them are malignant. I recommend you take him to your veterinarian for a test called a fine needle aspirate which can help distinguish these tumors from other more concerning tumors. If it truly is a perianal gland tumor, most of the time they resolve or greatly improved by neutering the dog as they are driven by hormones. If they are not bothering him, this may be enough. In cases when they are starting to bother the dog, you can also consider removal. Feel free to request a consult with me if wanting more information on the next steps. Good luck with your pup!

1Pet Parents found this answer helpful

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