Medicine All India exam 15d498c8 Differentiating point between psoriatic and rheumatoid ahritis are the following except A Pencil-in-cup deformity B Telescoping of phalanges C Mael's sign D Tufting of phalanges High-Yield Explanation Mael's sign is the overhanging edge sign of tophaceous gout. Ref - Radiologyassistant.org