ABSTRACT
Systemic lupus ertthematosus(SLE) is a prototypic autoimmune disease characterized by the production of antibodies to components of the cell nucleus in association with a diverse array of clinical manifestations. Infection is a major source of morbidity and mortality in parients whth SLE. Although the most frequent etiologic agents are pyogenic organisms such as Staphylococcus species and Echerichia coli, opportunistic pathogens such as uncommon bacteria, fungal organisms, viruses and protozoans have been described. Cases of osteomyelitis due to Salmonella have been reported worldwide, however, it has never been reported in the Korean literature. A 35-year-old female patient with SEL, who has treated with corticosteroid was complicated by osteomyelitis on the life distar femur. A computerized tomography guided aspiration showed greenish yellow pus. Salmonella enteritidis was cultured from the pus. Incision and pus drainage was performed. After 6weeks of antiboitic theraphy, fever, local heat, and swelling improved and she was discharged. We report this patient with a review of relevant literatures.