Primary pulmonary botryomycosis with multiple adjacent organ involvement mimicking mucosa-associated lymphoid tissue lymphoma.
2005
Botryomycosis is an unusual chronic suppurative disease characterized by the histological finding of sulphur granules containing the causative bacteria in an abscess. We describe a previously healthy 14-year-old girl who presented with chronic productive cough. Chest computed tomography (CT) revealed a right lower mass with involvement of the parietal pleura, chest wall, diaphragm, liver and costovertebral junction. Thoracostomy biopsy was performed due to suspicion of low-grade mucosa-associated lymphoid tissue lymphoma. However, histological analysis revealed a pulmonary botryomycosis. The right lower lung mass completely resolved after 3 months of antibiotics treatment. This case emphasizes that primary pulmonary botryomycosis with extensive contiguous involvement may not be distinguishable from lung cancer, lymphoma or fungal infection on chest CT.
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