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AJR Am J Roentgenol. 2006 Jan;186(1):225-31.

Thoracic actinomycosis: CT features with histopathologic correlation.

Author information

1
Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Gangnam-gu, Seoul 135-710, South Korea.

Abstract

OBJECTIVE:

Thoracic actinomycosis is a chronic suppurative pulmonary or endobronchial infection caused by Actinomyces israelii, a gram-positive anaerobic organism. We present the CT features of thoracic actinomycosis with histopathologic correlation.

CONCLUSION:

The typical CT feature of parenchymal actinomycosis is a chronic segmental air-space consolidation containing necrotic low-attenuation areas with frequent cavity formation. A broncholith can be secondarily infected with Actinomyces organisms, resulting in endobronchial actinomycosis. It usually manifests as a proximal endobronchial calcification associated with distal obstructive pneumonia.

PMID:
16357406
DOI:
10.2214/AJR.04.1749
[Indexed for MEDLINE]

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