CTICasesPulmonary Varices in the Inferior Pulmonary Ligament
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Imaging findings
Non-contrast CT identifies a soft tissue mass in the inferior lung base. T2-weighted MRI of the region subsequently demonstrates prominent flow voids within this mass, confirming its vascular nature as varices located in the inferior pulmonary ligament.
Key takeaways
Pulmonary varices, particularly those located within the inferior pulmonary ligament, can present as an incidental soft tissue mass on non-contrast CT, potentially mimicking a more concerning lesion. MRI, specifically T2-weighted sequences showing flow voids, or contrast-enhanced CT/MRI can definitively characterize these as vascular structures. They often represent portosystemic shunting or other venous anomalies and require recognition to avoid unnecessary interventions.
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