CTICasesChronic Pulmonary Thromboembolism
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Imaging findings
Imaging revealed irregular narrowing and peripheral attenuation of the pulmonary vessels, particularly in the left lung. There was a notable disparity in vessel size, with vessels appearing small and irregularly narrowed relative to the central pulmonary arteries. A CT scan confirmed extensive clot in the central pulmonary vessels, specifically the left pulmonary artery. Comparison with a prior 2010 scan showed established chronic thromboembolic disease, subsequently managed with pulmonary endarterectomy.
Key takeaways
The pattern of irregular narrowing and peripheral attenuation of pulmonary vessels is a hallmark of chronic pulmonary thromboembolism. Identifying these subtle vascular disparities can guide the diagnosis of chronic thromboembolic pulmonary hypertension and potential surgical candidacy for endarterectomy.
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