TY - JOUR T1 - Yersinia pseudotuberculosis and arthritis. JF - Annals of the Rheumatic Diseases JO - Ann Rheum Dis SP - 518 LP - 519 DO - 10.1136/ard.48.6.518 VL - 48 IS - 6 AU - G E Bignardi Y1 - 1989/06/01 UR - http://ard.bmj.com/content/48/6/518.abstract N2 - In 1986 and 1987 nine patients with a raised antibody titre to Yersinia pseudotuberculosis were found. Two of these results were almost certainly due to the cross reactivity between some Y pseudotuberculosis serogroups and some salmonella serotypes. Of the other seven patients with otherwise unexplained Y pseudotuberculosis serology, three suffered from severe arthritis and two had symptoms suggestive of sacroiliitis. Our data and published reports suggest that reactive arthritis might follow both Y enterocolitica and Y pseudotuberculosis infections. ER -