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KMID : 0371620020170020191
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Journal of Wonkwang Medical Science
2002 Volume.17 No. 2 p.191 ~ p.196
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A Case of Endobronchial Actinomycosis
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Shim Hyeok
Rhee Sang-Jae
Yang Sei-Hoon
Jeong Eun-Taik
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Abstract
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Actinomycosis is a chronic suppurative infection, which infiltrates mucosa-associated tissues. Actinomyces species is a gram-positive, anaerobic micro-organism, belonging to the resident flora of the oropharynx, gastrointestinal tract and female genital tract. Interruption of the mucosal barrier by local inflammation, traumatic or surgical injury is regarded as a predisposing factor for tissue infection. It is confirmed histologically by the presence of sulfur granules on the biopsy specimen. We experienced a case of endobronchial actinomycosis in a 71 year-old male. He had suffered from recurrent pneumonia for 10 years. Flexible fiberoptic bronchoscopy demonstrated a endobronchial mass in the posterobasal segment of the left lower lobe and the biopsy was done. Histologic sections demonstrated multiple organized sulfur granules composed of densely tangled gram positive filaments typical of actinomyces in the bronchial submucosa. We observed an unusual presentation of thoracic actinomycosis, with recurrent pneumonia and an endobronchial tumor. The etiological diagnosis was confirmed by fiberoptic bronchoscopy.
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KEYWORD
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Endobronchial actinomycosis, Sulfur granule
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