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My Chihuahua has a painless lump on his neck. What could it be?

Updated On September 23rd, 2025

Pet's info: Dog | Chihuahua | Male | unneutered | 5 years and 8 months old

Hi my dog has this on the side of his neck he’s 5yrs old and he’s a Chihuahua it doesn’t appear to bother him just curious on what it might be

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1 Answer

Most Helpful Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on May 1st, 2019

This looks like a small sebaceous cyst and the black part is the content. They are usually benign and no treatment is commonly required. A clinical examination at your local veterinarian is essential to confirm this clinical suspicion.

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