Infective endocarditis is rarely caused by Corynebacterium species. We report a unique case of Corynebacterium propinquum endocarditis in an otherwise healthy individual, and it is the first example of this organism causing culture-negative endocarditis. Conflicting clinical and microbiological data led to the use of sequencing to confirm the causative organism. This case illustrates C. propinquum as a cause of infective endocarditis, and it demonstrates the utility of ancillary molecular diagnostic techniques to identify etiologic agents in difficult cases of infective endocarditis.
Cardiovasc Pathol (Cardiovascular pathology : the official journal of the Society for Cardiovascular Pathology)
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