NEJM images: Jaccoud’s arthropathy is a chronic, deforming;from laxity of the ligaments & tendons (not damage to bone & cartilage). Deformities are reducible & no erosions on Xray. Jaccoud’s mimics RA, but most seen w/ SLE. https://t.co/99WDNcpT5c https://t.co/77zAjpQh9A