Is There a Relationship Between Paratracheal Air Cysts and Upper Lobe Fibrosis?

Conclusions: Paratracheal air cysts are relatively common, but the etiology is still unclear. We detected increased rates of cyst formation that may result from the traction effect on the tracheal wall in the presence of upper lobe fibrosis.
Source: Journal of Computer Assisted Tomography - Category: Radiology Tags: Thoracic Imaging Source Type: research