Subchondral bone cysts are sacs of fluid that form inside the joints. These cysts occur in the subchondral bone, the layer of bone just under the cartilage. Symptoms include pain and swelling of the ...
A subchondral fracture is a type of injury that occurs due to repetitive stress in the layer of bone tissue just beneath the cartilage. It often happens to the knees or hips of older adults.