CTICasesPulmonary Artery Calcification in Severe PAH
Imaging findings
CT chest shows severe pulmonary arterial hypertension with marked central artery dilation and right ventricular hypertrophy. Dense, circumferential calcification is present in the main pulmonary artery wall, with chronic in-situ thrombus.
Key takeaways
Severe, long-standing pulmonary arterial hypertension can lead to extensive atherosclerotic calcification of the main pulmonary artery walls. This is frequently accompanied by chronic in-situ thrombosis due to turbulent flow, and peripheral plexiform lesions (blushing).
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