This is a non-specific pattern of tiny centrilobular nodules of soft tissue density attached to branches arising from a single stalk seen on...
This is a non-specific pattern of tiny centrilobular nodules of soft tissue density attached to branches arising from a single stalk seen on HRCT. The branches and stalk represent dilated, thick-walled lobular bronchioles (normally too small to be seen) filled with mucous, pus, fluid or tumour cells.
Causes include infection (bacterial, fungal or viral), congenital (cystic fibrosis [CF] or mucociliary disorders), aspiration, connective tissue disease, malignancy, etc.
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