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Prosthetic joint infection by Corynebacterium striatum: a case report on a rare and emerging pathogen
Ambili Puthiyottu Methal1, Jai Thilak2, Leah Elizabeth George1
1Department of Microbiology, Amrita Institute of Medical Sciences & Research Centre, Amrita Vishwa Vidyapeetham, Ponekara, Kochi-682041, Kerala, India.
None:
Corynebacterium striatum, a non-diphtherial Gram-positive bacillus traditionally considered a skin commensal, is increasingly recognized as an opportunistic pathogen in device-associated infections. We report a polymicrobial prosthetic joint infection in a 73-year-old woman with prior bilateral total knee replacement. C. striatum was repeatedly isolated from synovial fluid and deep tissue samples with Pseudomonas aeruginosa and identified by MALDI-TOF mass spectrometry. The isolate was susceptible to glycopeptides and linezolid. The patient received intravenous teicoplanin and revision surgery, highlighting the clinical significance of repeated isolation from deep specimens.
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