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My senior dog has bone cancer. Is the diagnosis accurate? What are options?

Updated On September 23rd, 2025

Pet's info: Dog | DOG-LARGE-LONGHAIR | Female | spayed | 11 years and 11 months old | 56 lbs

My 12 year dog was diagnosed as bone cancer after x-ray and fine-needle biopsy. I'm devastated since my dog has very poor hip (she received bilateral triple pelvic osteotomy and suffered from severe arthritis in her hips every since. Her hind legs have almost no muscle left) so I don't think I'll let her go through amputation. I'm attaching two images. Would you let me know if there is 0 likelihood of wrong diagnosis?

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1 Answer

Most Helpful Answer

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Answered By Sara Farmer, DVM

Veterinarian

Published on March 22nd, 2019

A bone aspirate is pretty definitive for diagnosing osteosarcoma, and I would trust a pathologist's reading of the images that you posted. I also think the radiograph looks consistent with a primary bone tumor, and the location is typical as well. If you are still interested in some treatment palliative radiation might be an option that could bring some comfort for a period of time without amputation. Ask your vet about palliative options.

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