There are certain clinical scenarios in which arthroscopic surgery, in the presence of osteoarthritis, may be appropriate. -Known or suspected septic arthritis -Symptomatic meniscal tear after an appropriate trial of non-operative treatment -Symptomatic loose bodies -Locked or locking knees -Meniscal tears that require repair -Inflammatory arthropathy requiring biopsy or resection -Unstable chondral pathology causing mechanical symptoms Visit - http://simoncoffey.com.au/the-role-of-knee-arthroscopy-in-the-presence-of-osteoarthritis/