Osteochondritis Dissecans
Description
Characterized by a loose piece of bone and cartilage that separates from the end of the bone because of poor blood supply. The loose piece may stay in place or fall into the joint space, making the joint unstable. This causes pain and feelings that the joint "sticks" or is "giving way." These loose pieces are sometimes called "joint mice." The disease usually affects the knees and elbows.
Symptoms
Painful swelling just below the knee, pain that gets worse with exercise, pain with climbing stairs, elbow pain and swelling.
Tests
A history and physical exam will be performed. A X-ray may be normal, or it may show swelling or damage to the tibial tubercle.
Treatment
Treatment starts with rest, ice, acetaminophen (Tylenol), and nonsteroidal anti-inflammatory medications/NSAIDs (ibuprofen/Motrin or Advil, naproxen/Naprosyn). Immobilization for 6-8 weeks may be recommended. Rarely surgery may be needed.
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