The trachea narrows significantly in its A-P dimension above the carina as seen in the cross sectional CT (a,b) with th narrowing noted in green overlay, and the change in diameter is better appreciated in the surface rendering of the trachea in c and d.
46114c04 Ashley Davidoff TheCommonVein.net
68 year female with tracheomalacia
On inspiration the trachea is normal and widely patent and on expiratation the trachea collapses to greater than 50% of its original diameter
Ashley DAvidoff MD
TheCommonVein.net
68 year female with tracheomalacia
On inspiration the trachea is normal and widely patent and on expiratation the trachea collapses to greater than 50% of its original diameter
Ashley DAvidoff MD
TheCommonVein.net