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Journal of Clinical Microbiology, March 2001, p. 1202-1203, Vol. 39, No. 3
Departments of Clinical
Pathology1 and Infectious
Diseases,2 Cleveland Clinic Foundation,
Cleveland, Ohio 44195-5140
Received 21 August 2000/Returned for modification 23 October
2000/Accepted 8 December 2000
We report a case of synovitis in a 64-year-old man who developed
the infection while on steroid therapy for rheumatoid arthritis. Dolosigranulum pigrum, a gram-positive catalase-negative
coccus, was isolated from two sets of blood cultures prior to
antibiotic therapy. The patient was treated with 4 weeks of appropriate
antibiotics, and the synovial inflammation resolved. Although synovial
aspirates were never positive for any bacteria or fungi, the timing of
positive blood cultures and absence of other pathogens suggest the
possible etiology as D. pigrum.
0095-1137/01/$04.00+0 DOI: 10.1128/JCM.39.3.1202-1203.2001
Copyright © 2001, American Society for Microbiology. All rights reserved.
Case of Synovitis Potentially Caused by
Dolosigranulum pigrum
*
Corresponding author. Mailing address: Clinical
Microbiology, L-40, Cleveland Clinic Foundation, Department of Clinical
Pathology, 9500 Euclid Ave., Cleveland, OH 44195-5140. Phone: (216)
444-5990. Fax: (216) 445-6984. E-mail: hallg{at}ccf.org.
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