ARRS Case of the Week


Case Author: Travis S. Henry, MD, Emory University School of Medicine


57-year-old woman with progressive dyspnea on exertion.

Imaging Findings

Axial (A and C) and coronal (B) multiplanar reformation contrast-enhanced CT images show enlarged central pulmonary arteries with eccentric low-attenuation material with a somewhat convex margin and small foci of calcification resulting in occlusion of the superior segmental arteries of both lower lobes. The right lower lobe pulmonary artery has a beaded appearance (arrows, B), and webs are present within both lower lobe arteries. Enlarged bronchial arteries (arrowhead, B) are also partially visible. The right ventricle and right atrium are enlarged (C).


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