Microfracture: Building tiny holes during the bone and bone marrow beneath the damaged cartilage, which stimulates the bone to repair alone (via marrow cells), leading to freshly shaped cartilage problem. At your initial appointment with Dr. Ong, He'll Assess your professional medical history as well as pain you are experiencing. E-book https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/