Symmetrical reactive oligoarthritis after Campylobacter jejuni enteritis--case report and study of the synovial complement.

A 34-year-old man, in whom sacroiliitis had been diagnosed 5 years previously, presented in July 1982 with reactive arthritis following Campylobacter jejuni enteritis. Diarrhoea was stopped by erythromycin but joint effusion recurred. In order to clarify the relationship between Campylobacter jejuni and the immunological system, we proceeded with a study of the synovial complement. The results were compared with those obtained in some other arthropathies.