Cardiothoracic Imaging
Contents Anatomy Techniques Findings Cases References


Image finding: Normal hila



Findings related to the hila include the observation of the general progressive branching pattern that can be expected from the pulmonary arteries, a concave right ventricular outflow tract segment, and absence of any elipsoidal densities that might represent hilar adenopathy.

Other observations that can be made if the hila are enlarged include noting rapid tapering in cases of pulmonary hypertension or localized truncation of part of the pulmonary artery segment as can occur with some larger pulmonary emboli.

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Copyright 2004, Yale University School of Medicine. All rights reserved.
December 18, 2004 (PL)
version b.003