Presentation
History of bronchiolitis.
Patient Data
Age: 55 years
Gender: Female
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Axial lung expiratory
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.
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