My dog has a painful lumpy bump with a pinhole on his leg. What is it?

Question

Just found a round hard lumpy blister like wart or cyst on our small dogs leg. It has like a pin hole in the centre. He doesn't seem distressed but does warn us away when we touched it. Pet's info: Dog | Chihuahua | Male | neutered | 4 years and 1 month old | 7.7 lbs

Laura Johnson VMD · Accepted Answer

Hi, thanks for using Petco Pet Education Center, formerly Petcoach! It's hard to see the bump when the picture enlarges. Based on your description it could be a sebaceous adenoma which can have a brown dot in the center because they produce a waxy brown discharge. They are benign and some dog breeds grow a lot of them over time. Sadly many skin bumps can look the same. I always recommend when a new lump is found or an established one grows or changes to have it checked by your Vet. If it is small enough and Neeko is a calm dog some vets can remove skin masses with local anesthesia. I hope this helps and I wish Neeko the very best!

My dog has a painful lumpy bump with a pinhole on his leg. What is it?

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