An OCD lesion is best described as a focal lesion of which tissues?

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Multiple Choice

An OCD lesion is best described as a focal lesion of which tissues?

OCD lesions involve the osteochondral unit, meaning the subchondral bone underneath the articular cartilage and the cartilage itself. The problem often starts in the subchondral bone due to ischemia or microtrauma, leading to necrosis and loss of support for the overlying cartilage; as the bone falters, the cartilage may fissure or the osteochondral fragment can detach. So the lesion is best described as focal involvement of subchondral bone and articular cartilage, not primarily affecting ligaments, menisci, the synovial lining/capsule, or periosteum alone.

OCD lesions involve the osteochondral unit, meaning the subchondral bone underneath the articular cartilage and the cartilage itself. The problem often starts in the subchondral bone due to ischemia or microtrauma, leading to necrosis and loss of support for the overlying cartilage; as the bone falters, the cartilage may fissure or the osteochondral fragment can detach. So the lesion is best described as focal involvement of subchondral bone and articular cartilage, not primarily affecting ligaments, menisci, the synovial lining/capsule, or periosteum alone.

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