Annals of Clinical Microbiology, The official Journal of the Korean Society of Clinical Microbiology


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A Case of Bacteremia Caused by Rothia dentocariosa

Case report

Annals of Clinical Microbiology (Ann Clin Microbiol) 2009 September, Volume 12, Issue 3, pages 133-137.

A Case of Bacteremia Caused by Rothia dentocariosa

Soon Deok Park1, Young Uh1, Hyeun Gyeo Lee1, Ih Ho Jang1, Kap Jun Yoon1, Mee Kyung Namgoong2
Departments of 1Laboratory Medicine and 2Pediatrics, Yonsei University Wonju College of Medicine, Wonju, Korea


Rothia dentocariosa, a pleomorphic gram-positive branching bacillus, is a common inhabitant of the nose and throat. It is a well-known causative agent of dental plaques and periodontal diseases. Although generally regarded as having a low virulence to humans, R. dentocariosa has been recognized as causative agents of infective endocarditis and bacteremia with increasing frequency. Consequently, it can be a very serious pathogen when isolated from usually sterile sites such as blood or cerebrospinal fluid. We report a case of Rothia dentocariosa bacteremia without endocarditis in a 17-month-old male patient with fever, vomiting and diarrhea. (Korean J Clin Microbiol 2009;12:133-137)


Bacteremia, Rothia dentocariosa, Blood culture