Diagnostic arthroscopy: arthroscopy, a minimally invasive process in which a little camera is inserted to the knee joint to visualise the structures inside of. Surgery: Even though the Original treatment is nonsurgical, in severe circumstances, surgical interventions like knee arthroscopy (to get rid of damaged cartilage and bone) or knee https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/