Osteochondritis Dissecans
Pronunciation: os-tee-oh-kon-DRY-tis dis-eh-kans
A joint condition where a segment of cartilage and underlying bone separates from the joint surface.
Full Definition
Osteochondritis dissecans (OCD) is a condition affecting synovial joints where a localized area of subchondral bone undergoes necrosis, potentially causing the overlying articular cartilage and bone fragment to separate and become loose within the joint. Most commonly affecting the knee (femoral condyle), elbow, and ankle in adolescents and young adults, OCD can progress from stable lesions to complete fragmentation. Rehabilitation protocols vary significantly based on lesion stability, size, and skeletal maturity, often requiring prolonged activity modification.
Usage
Usage note: Abbreviate as OCD only after first use. Always specify anatomical location when documenting.
In Context
- "MRI revealed a stable osteochondritis dissecans lesion of the medial femoral condyle." — Diagnostic imaging report
- "Return to sport was delayed pending healing of the osteochondritis dissecans fragment." — Return to play evaluation