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My dachshund has an anal gland mass. How fast does it spread? Pain?

Updated On September 23rd, 2025

Pet's info: Dog | Dachshund miniature | Male | neutered | 11 years old | 13 lbs

I have an 11-year-old male dachshund that was just diagnosed with a mass in his anal gland. He also has a heart murmur. If we do not do surgery or treatment How fast could this bread and what would be the signs that he’s in pain?

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1 Answer

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Answered By Ricardo Fernandez, DVM

Veterinarian, Veterinary Oncology Resident

Published on April 10th, 2018

Thanks for using Petco Pet Education Center, formerly Petcoach! Anal gland tumors are usually adenocarcinomas. The good news is that in general they tend to progress rather slowly. With no therapy, usually it will another 1-4 months before you start noticing signs of the tumor getting the best of him. How long it will take depends on how advanced it is right now. This tumor does not tend to be painful unless it spreads to the bones which is rare but in that case you would notice limping for example. When they get big enough they can affect defecation for example and so the first indications you would get at home that the tumor is progressing and affecting him is if he starts having trouble defecating. Sorry for the sad diagnosis. I hope you get to spend some quality time with him. Good luck!

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