A loose body is a free-floating piece of bone, cartilage, or a foreign object in a joint. The knee is the most common site for loose bodies.
Causes of loose bodies include:
Symptoms of a loose body in the knee joint may include:
Your doctor may order a test, such as an X-ray, ultrasound, CT scan, or MRI, to help find a loose body. Surgery to remove the loose body or repair the kneecap may be needed if a loose body is causing symptoms.
Last Revised: August 5, 2011
Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine & David Messenger, MD
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