Fragments of cartiladge or bone within the shoulder. They usually result from previous trauma not always symptomatic.
Symptoms:
Locking of the shoulder that comes and goes
Pain and swelling of the shoulder that comes and goes.
Being able to feel the loose body by touching the shoulder
Ongoing (chronic) stiffness
Causes:
Degenerative joint disease (osteoarthritis)
A chip fracture
A torn piece of the cartilage
An object, such as a dislodged piece of hardware from a previous surgery or a foreign object from a penetrating injury
Inflammation or decreased blood supply (avascular necrosis) to the bone and cartilage, which may cause the bone to separate from the cartilage (osteochondritis dissecans)
