TY - JOUR T1 - No Enthesis Should Be Overlooked When Psoriatic Arthritis Is Suspected: Enthesitis of the Extensor Digitorum Tendons JF - The Journal of Rheumatology JO - J Rheumatol SP - 335 LP - 335 DO - 10.3899/jrheum.121123 VL - 40 IS - 3 AU - GEORGIOS FILIPPOU AU - VALENTINA DI SABATINO AU - ANTONELLA ADINOLFI AU - ILARIA BERTOLDI AU - VALENTINA PICERNO AU - GIOVANNI BIASI AU - MAURO GALEAZZI AU - BRUNO FREDIANI Y1 - 2013/03/01 UR - http://www.jrheum.org/content/40/3/335.abstract N2 - A common and well-documented feature of spondyloarthropathies is inflammation of the peripheral enthesis1. Ultrasound (US) imaging is useful when assessing enthesitis, and many investigators have described its features2,3.A 50-year-old man with psoriasis developed morning stiffness, tenderness, and swelling of small joints in the hands asymmetrically during the last month. Clinical examination revealed tenderness and swelling of the proximal interphalangeal joints (PIP) of the second, third, and fourth fingers … ER -