My 8-year-old cat has a growing bump on her head. What could it be?

Question

My female cat which is probably 8 years old now she has this growing bump on her head slowly growing bump on her head what is this? Here are three photos. Pet's info: Cat | Mixed Breed | Female | 12 lbs

Dr. Heidi DVM, CVA, CCRT, CVTP, CVSMT, CVCH · Accepted Answer

Anytime a new mass is noticed, I always recommend having it evaluated to see what it is and if anything needs to be done about it. Unfortunately, we can't tell anything about a mass by just looking at it. Your vet can perform a simple test called a fine needle aspirate where they use a small needle to collect some cells from the mass, then look at them under the microscope. They may even need to send the cells to the lab for a pathologist to examine them, so we know what the mass is. If it is benign, you might not need to do anything about the mass at all, but if they see cells that worry them, they might recommend removing the mass. We very commonly see benign masses in cats that are filled with fluid which are easy to diagnose, but your vet would need to collect a sample to verify what the mass is. Good luck! I hope that was helpful. Thanks for using Petco Pet Education Center, formerly Petcoach.

My 8-year-old cat has a growing bump on her head. What could it be?

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