Pulmonary actinomycosis

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• Bacterial lung infection caused by actinomyces or propioni bacteria

• Normally found in the mouth and GI tract

• Causes lung cavities, lung nodules and pleural effusions

• Can cross normal tissue boundaries of the chest producing sinus tracts - e.g. through the muscles and skin of the chest wall

• Rare

• Any age - though more commonly 30-60

• M>F


• Control of infection, but slow response - Prolonged therapy and drainage

• Outcome is good following adequate ABx