what is subchondral sclerosis
Shares & Saves. Save. Subchondral sclerosis is a condition that affects the bones in the joints of people with osteoarthritis. It causes joint pain and immobility due increased bone mass and density in a thin layer of bone beneath the cartilage of joints.ubchondral sclerosis is easy to identify with an X-ray, which shows subchondral sclerosis as a particularly white region along the line of a joint. The presence of subchondral sclerosis can also be used to identify a progressive stage of osteoarthritis itself.