CTICasesSystemic to Pulmonary Artery Shunts
Imaging findings
CT scans demonstrated prominent transpleural systemic-to-pulmonary artery shunts, often appearing as "white smoke" contrast enhancement within the pulmonary arteries on systemic arterial phase imaging.
Key takeaways
In patients with these shunts, VQ scans can be misleading, as they may mimic high-probability pulmonary embolism (PE) due to systemic blood flow artifact.
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