Diagnostic arthroscopy: arthroscopy, a minimally invasive procedure wherever a small digicam is inserted in to the knee joint to visualise the buildings within. Operation: Whilst the initial treatment is nonsurgical, in severe scenarios, surgical interventions like knee arthroscopy (to get rid of damaged cartilage and bone) or knee replacement operation https://www.theorthopaedicandpainpractice.com/what-are-cartilage-lesions/