(a tool for making tiny holes) to poke a handful of little holes while in the bone underneath the cartilage. Like abrasion arthroplasty, this technique is applied to find the layer of bone under the cartilage to produce a healing reaction. Surgical treatment: When the Original treatment is nonsurgical, in https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/