RT Journal Article SR Electronic T1 Pyogenic osteomyelitis presenting as an acute sterile arthropathy. JF Annals of the Rheumatic Diseases JO Ann Rheum Dis FD BMJ Publishing Group Ltd and European League Against Rheumatism SP 607 OP 609 DO 10.1136/ard.43.4.607 VO 43 IS 4 A1 P N Platt A1 I D Griffiths YR 1984 UL http://ard.bmj.com/content/43/4/607.abstract AB We report two cases of osteomyelitis secondary to staphylococcal septicaemia, presenting with large sterile effusions in adjacent joints. In both cases the clinical features were suggestive of septic arthritis. Multiple joints were involved in each patient. Initial radiographs showed no abnormalities.