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How can I tell if my dog's breast lump is cancerous or benign?

Updated On September 23rd, 2025

Pet's info: Dog | Pomeranian | Female | 8 years and 5 months old

My dog was affected by breast tumour. If that the tumour is normal or cancer tumour. How do I find this???

1 Answer

Most Helpful Answer

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Answered By Dr. Massimo Orioles, DVM, Cert AVP, MRCVS

Veterinarian

Published on January 6th, 2018

This kind of lump/growth needs to be ideally assessed by your veterinarian to have a definitive and specific answer. Usually there are two ways your vet can do that a part from examining it directly during physical examination. A biopsy can be taken under local or general anesthetic, otherwise a smaller sample through a fine needle can be aspirated (this technique is called FNA= fine needle aspiration). Differentials include skin cysts, infections, benign or more sinister type of tumors. Please do not hesitate to contact us again on the forum or by requesting a consultation if you have any more questions or to discuss it any further.

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