thanks. Had an x-ray by my chiropractor and the hard bump on side of knee was a bone growth. but she wasn't worried about it. again, thank you.
the pain of the knee is at the side of the knee cap. sometimes it (the bump) will pop out -- whenever I get up from a chair. I pop it back in by sitting down again and raising the lower leg. this might be from an injury when I was 4 when thrown down from a stool and landing on knees several times. thank you.
No, it is not normal to have a bone growth on the inside of your knee, which is known as popliteal fossa. You need to follow this up with X-rays and CT scans, and the growth may need to be removed and biopsied.
The other possibility is that it is not a bone growth but a hard Baker's cyst (or popliteal cyst). This is a fluid-filled lump at the back of the knee. This is caused by fluid built up under pressure within the knee cavity in response to an inflammatory problem within the knee. Usually no treatment is given if there are no symptoms. If anti-inflammatory medications are not able to take care of the pain, then draining the fluid is an option. Often corticosteroid injections are given at the same time. Patients remain symptoms free for varying periods of time ranging from few days to year or more.
Do consult an orthopedic specialist at the earliest. Take care!