(1) i distale interfalangeale led, (2) polyartikulær artrit (ingen reumatoide knuder og tilstedeværelse af psoriasis), (3) arthritis mutilans, (4) asymetrisk psoriasis artrit eller (5) spondylitis- lignende ankylose.
(1) distal 98 interphalangeal (DIP) involvement; (2) polyarticular arthritis (absence of rheumatoid nodules and presence of psoriasis); (3) arthritis mutilans; (4) asymmetric psoriatic arthritis; or (5) spondylitis-like ankylosis.