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What's this sore on my 10-year-old dog's leg? Should I worry?

Updated On September 23rd, 2025

Pet's info: Dog | Mixed Breed Small (up to 22lb) | Male | neutered | 8 years and 6 months old | 20 lbs

Hello my pup is almost 10 years old and he has a sore on his left leg i cant figure out what it is PLEASE HELP❣️

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Answered By Dr. Elizabeth

Veterinarian

Published on December 13th, 2019

I recommend to have Pookie examined by the veterinarian. Skin masses can be many things but red raised masses are especially concerning for a skin cancer called a Mast Cell tumor. Your veterinarian will 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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