JAMA Clinical Challenge - 34-yoF with Forearm Pain and Stiffness. 1 yr of progressive skin tightening over forearms, tibia, LOM of fingers & elbows. Denied DM, Raynauds. Worse after tennis, better w/ steroids. Increased ANA, eosinophils, CRP, aldolase - your Dx? https://t.co/ppuzIB4iRf