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A 41-year-old member asked:

Is swelling of the knee and water on the knee a symptom of bone cancer or osteosarcoma?

2 doctor answers4 doctors weighed in
Dr. Keith Stockerl-Goldstein
Hematology and Oncology 31 years experience
Many reasons: There are many reasons for fluid collections in the knee or swelling of the knee. Bone cancer/osteosarcoma can cause this problem but it is much more likely to be another cause. Trauma will cause these symptoms as will arthritis or degenerative joint disease. This should be evaluated by your primary care physician.
Dr. Aasim Sehbai
Medical Oncology 25 years experience
Knee problem: It is most likely from osteoarthritis and very less likely from osteosarcoma.

Similar questions

A 27-year-old member asked:

Could swelling of the knee and water on the knee be related to bone cancer or osteosarcoma?

2 doctor answers5 doctors weighed in
Dr. Howard Luks
Dr. Howard Luksanswered
Orthopedic Surgery 31 years experience
Possibly: This is a very difficult question to answer in 400 characters.Certainly a tumor is one of the least common causes of swelling around the knee. That being said, if you do have a tumor close to the knee, then it is possible that you can experience what we call a reactive effusion and thus experience fluid swelling or bleeding within the knee.

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Last updated Feb 6, 2019
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