Pneumonia and Empyema Caused by <i>Streptococcus intermedius</i> that Shows the Diagnostic Importance of Evaluating the Microbiota in the Lower Respiratory Tract

  • Noguchi Shingo
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan
  • Yatera Kazuhiro
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan
  • Kawanami Toshinori
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan
  • Yamasaki Kei
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan
  • Fukuda Kazumasa
    Department of Microbiology, University of Occupational and Environmental Health, Japan
  • Naito Keisuke
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan
  • Akata Kentarou
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan
  • Nagata Shuya
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan
  • Ishimoto Hiroshi
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan
  • Taniguchi Hatsumi
    Department of Microbiology, University of Occupational and Environmental Health, Japan
  • Mukae Hiroshi
    Department of Respiratory Medicine, University of Occupational and Environmental Health, Japan

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抄録

The bacterial species in the Streptococcus anginosus group (S. constellatus, S. anginosus, S. intermedius) are important causative pathogens of bacterial pneumonia, pulmonary abscesses and empyema. However, the bacteria in this group are primarily oral resident bacteria and unable to grow significantly on ordinary aerobic culture media. We experienced a case of pneumonia and empyema caused by Streptococcus intermedius detected using a 16S rRNA gene sequencing analysis of bronchoalveolar lavage fluid and pleural effusion, but not sputum. Even when applying the molecular method, sputum samples are occasionally unsuitable for identifying the causative pathogens of lower respiratory tract infections.<br>

収録刊行物

  • Internal Medicine

    Internal Medicine 53 (1), 47-50, 2014

    一般社団法人 日本内科学会

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