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Doctor insights on: Swelling Knee Water Related Bone Cancer Osteosarcoma

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Dr. Barry Rosen
4,287 doctors shared insights

Cancer (Definition)

Cancer is a group of diseases that is characterized by uncontrolled cell growth leading to invasion of surrounding tissues that spread to other parts of the body. Cancer can begin anywhere in the body and is usually related to one or more genetic mutations that allow normal cells to become malignant by interfering with internal cellular control mechanisms, such as programmed cell death or by preventing ...Read more


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

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

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. ...Read more

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On and off daily knee pain. CBC was normal. No swelling, no heat, no lump just pain. Advil does not help. I'm not overweight. Bone cancer?

On and off daily knee pain. CBC was normal. No swelling, no heat, no lump just pain. Advil does not help. I'm not overweight. Bone cancer?

Likely not bone canc: Knee pain is a very common problem, it may happen related to overuse injuries, very often seen in athletes. Or it may be arthritic or inflammatory from other autoimmune problems. Knee pain can actually be referred hip pain, it may be bursitis or torn or sprained ligaments, or meniscal injuries. The role of your doctor is to find out which of these it is; very rarely it will be cancer; VERY RARE. ...Read more

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Why would my 4yo start screaming her leg hurts. Just her right leg. No swelling redness or tenderness. Scared bone cancer? What are the signs?

Why would my 4yo start screaming her leg hurts. Just her right leg. No swelling redness or tenderness. Scared bone cancer? What are the signs?

Of course we : all sorry about rare bad things but common things happen more often. Think injury. Stress or rotational fracture of the tibia. Hip or knee pain. Infection in a joint. A cut. Etc. Before we think of te worst.or the scary or bad. Pain in a four year old still needs attention and if it isn't apparent. Seek eval ...Read more

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I have slight aching on my back and on my knees. Nothing too serious. I walked a lot today and didn't sleep as much. I'm scared of bone cancer.

I have slight aching on my back and on my knees. Nothing too serious. I walked a lot today and didn't sleep as much. I'm scared of bone cancer.

Do not worry: What you described is not a manifestation of bone cancer. For good health - Have a diet rich in fresh vegetables, fruits, whole grains, milk and milk products, nuts, beans, legumes, lentils and small amounts of lean meats. Avoid saturated fats. Exercise at least 150 minutes/week and increase the intensity of exercise gradually. Do not use tobacco, alcohol, weed or street drugs in any form. Practice safe sex. Get HPV vaccine. ...Read more

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Knee pain and xray said bone island. What can this be? Bone cancer?

Knee pain and xray said bone island. What can this be? Bone cancer?

Bone island.: A bone island is a concentration of calcium in a particular location of a bone. It is not cancerous, and does not cause pain. ...Read more

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Does a stiff knee mean I have bone cancer?

Does a stiff knee mean I have bone cancer?

Very unlikely: The stiffness is likely due to early arthritis. You may wish to consult your doctor to have evaluation and treatment to reduce the discomfort. ...Read more

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What causes knee pain? Can it mean bone cancer?

What causes knee pain? Can it mean bone cancer?

Very unlikely: At your age pain in the knee is most likely some kind of soft tissue problem or possibly early degenerative change. You may want to see your doctor to get an x-ray. ...Read more

Bone (Definition)

Bone is a living growing tissue made mostly of collagen (protein that provides soft framework) & the mineral calcium phosphate that adds strength & hardens the framework. Two types of bone are found in the body; cortical (dense compact outer layer) & trabecular (makes up inner layer, ...Read more


Dr. David Schleimer
1,498 doctors shared insights

Swelling (Definition)

Swelling is the enlargement of organs, skin, or other body parts. It is caused by a buildup of fluid in the tissues. The extra fluid can lead to a rapid increase in weight over a short period of time (days to weeks). Swelling can occur all over the body (generalized) or only in one part ...Read more