Case contributed by Assoc Prof Frank Gaillard

Patient Data

Gender: Male

Extensive bullous lung disease demonstrates a rounded opacity in the medial aspect of the right apex.


Zoomed image of the right apex demonstrating the rounded opacity. 


CT confirms the rounded density located within a cavity at the apex of the right lung. It is separated from the adjacent wall by a thin crescent of air, (known as Monod sign) and is consistent with an aspergilloma.

How to use cases

You can use Radiopaedia cases in a variety of ways to help you learn and teach.

Creating your own cases is easy.

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.