
A biopsy removes a small piece of tissue so a pathologist can examine it. It's the most reliable way to find out whether a lump or abnormal area is benign or cancerous.
Depending on the location, biopsies may be taken under sedation or general anesthesia. Results usually come back within several days, and we'll go over them with you and talk through next steps.
When Your Vet May Recommend a Biopsy
A biopsy gives answers that an exam alone cannot. Your vet may suggest one when your pet has:
- A lump or bump that is new, growing or changing in appearance
- A mass that a needle sample could not clearly identify
- Skin disease that is not responding to treatment
- An abnormal area found on X-rays or ultrasound
- Sores or growths in the mouth, on the eyelids or on the paws
Not every lump is cancer, and many are harmless. But you cannot tell just by looking or feeling. A biopsy helps your vet choose the right treatment and avoid unnecessary surgery, or act quickly when it matters.
Caring for Your Pet After a Biopsy
Most pets recover from a biopsy quickly. If sedation or anesthesia was used, your pet may be sleepy for the rest of the day. Offer a small meal and fresh water once you're home, and give them a quiet place to rest.
Check the biopsy site daily for redness, swelling or discharge, and keep your pet from licking or scratching it. A cone or recovery suit may help. Limit running and rough play until your vet says it is okay, and follow any instructions for stitch removal. Call us if the site bleeds, opens or your pet seems painful. Once results come back, we'll explain what they mean and the next steps.
Questions about Biopsies?
Call us or book an appointment online, and our team will help you decide on the next step for your pet.
Biopsies: Frequently Asked Questions
What is the difference between a biopsy and a fine needle aspirate?
Does a biopsy hurt my pet?
Can a biopsy cause cancer to spread?
Should I have every lump on my pet checked?
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