RT Journal Article SR Electronic T1 Plain Radiographic Instruments for Structural Damage in Peripheral Joints in Psoriatic Arthritis: A Report From the GRAPPA-OMERACT Working Group JF The Journal of Rheumatology JO J Rheumatol FD The Journal of Rheumatology SP 20 OP 25 DO 10.3899/jrheum.211322 VO 49 IS 6 Suppl 1 A1 Anna Antony A1 Richard Holland A1 Ashish J. Mathew A1 Maria-Antoinetta D’Agostino A1 Walter P. Maksymowych A1 Philip J. Mease A1 Niti Goel A1 Alexis Ogdie A1 Laura C. Coates A1 Vibeke Strand A1 Robin Christensen A1 Dafna D. Gladman A1 Ana-Maria Orbai A1 Ying Ying Leung A1 William Tillett YR 2022 UL http://www.jrheum.org/content/49/6_Suppl_1/20.abstract AB The Group for Research and Assessment of Psoriasis and Psoriatic Arthritis (GRAPPA)–Outcome Measures in Rheumatology (OMERACT) Psoriatic Arthritis (PsA) Core Set working group is focused on the development of a core set of instruments used to assess the domains described in the 2016 PsA Core Domain Set. At the 2021 annual meeting, the group presented an update on the domain of structural damage. In this report, we discuss the steps taken to assess the domain match and feasibility of plain radiographic instruments in the assessment of structural damage in PsA.