Why are my chihuahua's front legs swollen and limping? Osteosarcoma?

Question

Right now I'm having issues with my small chihuahua he has 2 swollen front ankles/legs and takes small steps on 1 to 2 legs can this be possible that he has osteosarcoma on his 2 front legs? Pet's info: Dog | Mixed Breed | Male | unneutered | 20 lbs

Dr. Davis · Accepted Answer

That is very unlikely. Osteosarcoma is most common in large breed middle aged dogs, and it is usually only in one bone in one leg. The legs are not usually swollen either. This sounds like more of a systemic infection in his joints than cancer. I recommend a veterinary exam and X-rays to determine if the cause is in the bones, joints or soft tissue. I’m sure this is very painful and that’s why he’s not walking normally. Once they have a diagnosis they can start treatment and get him on pain medication to make him feel better. They may need to do cytology on his joint fluid or take a bone sample to get the diagnosis. This sounds very serious so please take him for treatment soon. Thanks for using Petco Pet Education Center, formerly Petcoach to help you care for Cookie.

Why are my chihuahua's front legs swollen and limping? Osteosarcoma?

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