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Case Reports
. 1978 Feb;49(1):98-101.
doi: 10.3109/17453677809005733.

A case of septic arthritis in multiple joints due to Bacteroides fragilis in a patient with rheumatoid arthritis

Case Reports

A case of septic arthritis in multiple joints due to Bacteroides fragilis in a patient with rheumatoid arthritis

A C Ryeén et al. Acta Orthop Scand. 1978 Feb.

Abstract

A case of arthritis in multiple joints due to B. fragilis ssp. fragilis is described. The patient was a 55-year-old man badly disabled by rheumatoid arthritis. The patient's immune response to the isolated strain was studied and a significant titre reduction during the course of the disease was observed. The serum antibodies of the patient cross-reacted with heterologous strains of B. fragilis ssp. fragilis. It is suggested that indirect immunofluorescence tests against a certain number of B. fragilis strains could be performed with serum from a patient in whom an infection with B. fragilis is suspected.

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