RT Book, Section A1 Louie, Grant H. A1 Bingham, Clifton O. A2 Imboden, John B. A2 Hellmann, David B. A2 Stone, John H. SR Print(0) ID 57272102 T1 Chapter 19. Psoriatic Arthritis T2 CURRENT Diagnosis & Treatment: Rheumatology, 3e YR 2013 FD 2013 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-163805-0 LK accessmedicine.mhmedical.com/content.aspx?aid=57272102 RD 2024/03/28 AB Chronic inflammatory arthritis associated with skin and nail psoriasis.Symmetric polyarthritis or asymmetric oligoarthritis of peripheral joints (frequently with distal interphalangeal [DIP] joint involvement).Spondylitis and enthesitis may occur.Current or past history of psoriasis; family history of psoriasis.Dactylitis and characteristic nail dystrophy.Absence of rheumatoid factor.Radiographic findings of erosions, osteolytic destruction of the interphalangeal joints, and juxta-articular new bone formation.