Mosaic attenuation pattern

Case contributed by Dr Bruno Di Muzio


History of bronchiolitis.

Patient Data

Age: 54
Gender: Female

CT Chest

Mosaic attenuation pattern that is accentuated after the expiration associated with peripheral tree-in-bud pattern micro-nodules suggesting peripheral mucoid impaction.

Case Discussion

The findings are non-specific but in keeping with constrictive bronchiolitis.

A mosaic attenuation pattern is a patchwork of regions of differing attenuation seen on CT scans.

PlayAdd to Share

Case information

rID: 14799
Published: 28th Aug 2011
Last edited: 13th Aug 2019
System: Chest
Inclusion in quiz mode: Excluded

Updating… Please wait.

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

 Thank you for updating your details.