My dog has a lump on his paw. Is it cancer, benign, or a histiocytoma?

Question

Would you please tell me what this looks like? If this is cancer what kind it looks like also? Cancer that spreads or benign cancer? Pet's info: Dog | Mixed Breed Medium (23 - 60lb) | Male | neutered | 2 years and 1 month old | 40 lbs

Rebeccah Wood · Accepted Answer

Hello there! In a dog of Ares' age, it is unlikely that the lump on his foot is malignant (the bad kind of tumor that could spread), however the only way to be sure is to visit the vet. The most likely cause of this lump is a benign mass called a histiocytoma. These are commonly found on the feet and paws, and generally resolve on their own, though it can take several months or more. Only a vet can diagnose this for sure. When you visit the vet, Ares will receive a full physical exam. They will likely collect some cells from the lump with a small needle to examine under a microscope - a procedure called a fine needle aspirate, or FNA. This will help them determine if it's a lump that can simply be monitored, or if it requires further testing (like a surgical biopsy). If Ares is chewing or licking at the lump, it could be infected, so be sure to mention it to the vet if that is the case. I recommend making an appointment within the next week to have it evaluated. Best of luck to you and Ares!

My dog has a lump on his paw. Is it cancer, benign, or a histiocytoma?

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