Aspergillosis CT

Aspergillosis Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]

Overview

Chest CT scan may be helpful in the diagnosis of aspergillosis. Findings on chest CT scan suggestive of aspergillosis include a well formed cavity, a central soft tissue attenuating oval shaped, well circumscribed mass surrounded by an cresent of air (Monad sign).

CT Scan

• Chest CT scan may be helpful in the diagnosis of aspergillosis.
• Findings on chest CT scan suggestive of aspergillosis include:

• Well formed cavity
• A central soft tissue attenuating oval, well circumscribed mass
• Surrounded by an cresent of air (Monad sign)

• The mass may illustrate mobility as the patients change their position.
• On certain occasion the mass may entirely fill the cavity, thus it takes on the shape of the cavity, loses its mobility, and obliterates the surrounding air crescent.
• Marked enlargement of the bronchial arteries that supply the wall of the adjacent respiratory tracts
• Thickening of the adjacent pleura may be present

Gallery

• 
  Chest CT scan demonstrating a well rounded mass located inside a cavity of the left lung, and surrounded by a crescent of air
• 
  Chest CT scan demonstrating a well rounded mass located inside a cavity of the right lung, and surrounded by a crescent of air
• 
  Chest CT (coronal lung window view) demonstrates an extensive cavitation in the right lung apex, within which there is a rounded mass soft tissue

References

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