Indian Journal of Pathology and Microbiology
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Year : 2019  |  Volume : 62  |  Issue : 2  |  Page : 326-328

Actinomyces naeslundii causing pulmonary endobronchial Actinomycosis – A case report

1 Department of Microbiology, St. John's National Academy of Health Sciences, Koramangala, Bangalore, Karnataka, India
2 Department of Pulmonary Medicine, St. John's National Academy of Health Sciences, Koramangala, Bangalore, Karnataka, India

Correspondence Address:
S Harisree
Department of Microbiology, St. John's Medical College, Koramangala, Bangalore - 34, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/IJPM.IJPM_706_17

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Actinomyces naeslundii is a commensal flora of the oral cavity and is generally considered as an avirulent saprophytic bacterium in immunocompetent patients. It can become an opportunistic anaerobic pathogen in oral cavity in patients with poor oral hygiene or tooth extraction and can cause periodontal disease. Pulmonary Actinomycosis is a rare manifestation and may be suspected in middle-aged male patients with cough and hemoptysis showing radiological findings of a peripheral mass or chronic consolidation in whom repeated aerobic cultures have yielded negative results. Here, we report isolation of A. naeslundii from the bronchoalveolar lavage sample from an immunocompetent patient who presented with chronic nonresolving pneumonia of 6 months duration.

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