"Arthritis Mutilans" - worse outcome to chronic inflammatory arthritis is due to 5 disorders: 1) RA 2) Psoriatic arthritis 3) Tophaceous gout 4) polyarticular JIA 5) Multicentric reticulohistiocytosis (Ive never seen this!!) https://t.co/XYmBEW1F0R https://t.co/tGWNG9Aklw