what causes sharp knee pain
A tumor in the soft tissue or bone of the knee joint can also cause pain in the back of the knee. In addition to discomfort, a tumor will likely include the appearance of a palpable mass, trouble. bending the knee and pain even when no weight is being placed on the legs.
Knee pain is a common problem with many causes, from acute injuries to complications of medical conditions. Knee pain can be localized to a specific area of the knee or be diffuse throughout the knee. Knee pain is often accompanied by physical restriction.
A tear to the cartilage-like meniscus can also result in pain in the back of the knee, depending upon what sort of tear occurs. Pain and swelling behind the knee is common with a meniscus tear; the severity of the pain and whether the stability of the knee is compromised depends upon the extent of the tear.
One of the more common causes of pain in the back of the knee joint, specifically, is a popliteal synovial cyst, which is also known as a bakerâs cyst. This fluid-filled cyst at the back of the leg often forms in response to arthritis or other cartilage damage.