Knee (no history of trauma) Red Flag – No Trauma Inflammatory Joint Disease Tumour (knee) M.A. & J. G. 23-05-24 Resources and Links Patient-centred information https://www.arthritis-uk.org/information-and-support/understanding-arthritis/conditions/ National Institute for Health and Care Excellence (NICE) Scottish Intercollegiate Guidelines Network (SIGN) Arthritisresearchuk.org