CTICasesChronic Thromboembolic Pulmonary Hypertension (CTEPH) Mimic
Imaging findings
Lack of opacification of the left pulmonary artery mimicking an intimal sarcoma, but caused by chronic venous occlusion following atrial fibrillation ablation.
Key takeaways
Pulmonary veins are a potential blind spot. Always look for the cause of absent pulmonary artery opacification—slow flow from venous occlusion can mimic malignant masses.
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