CTICasesPulmonary Glue Embolization
Imaging findings
CT calcium scoring and subsequent coronary CT angiography show high-density, branching material within the peripheral pulmonary arteries of the upper lobes, measuring denser than calcium. There is a small wedge-shaped opacity distally, representing a minor pulmonary infarct.
Key takeaways
Pulmonary glue embolization is a rare complication of endoscopic variceal sclerotherapy using cyanoacrylate or other acrylic-based glues. Similar to methyl methacrylate emboli from vertebroplasty, the glue can enter the systemic venous circulation and lodge in the pulmonary arterial bed, though patients often remain asymptomatic.
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