CTICasesMycetoma (Aspergilloma) in a Tuberculous Cavity
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Imaging findings
Imaging reveals findings typical of chronic granulomatous infection sequelae, specifically tuberculosis, with extensive upper lobe scarring, associated volume loss, and parenchymal cavitation. Within one of these chronic tuberculous cavities, a mobile mass consistent with a mycetoma (fungus ball or aspergilloma) is clearly visible.
Key takeaways
Chronic granulomatous infections, particularly tuberculosis, often result in parenchymal scarring and cavitation. These residual cavities are susceptible to colonization by fungi, commonly Aspergillus species, leading to the formation of a mycetoma (fungus ball or aspergilloma). Recognizing the classic imaging triad of chronic cavitation, a mobile intraluminal mass, and air crescent sign is key for diagnosing a mycetoma.
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