Radiography, CT and angiography of an arteriovenous malformation

Pulmonary arteriovenous malformation. Chest radiograph AP view (A) shows a right lung nodule (arrow). Chest CT coronal reconstruction (B) and axial (C) images shows the nodule (arrow) with a feeding artery (dashed arrow) and large draining vein (arrowhead). A pulmonary angiogram of another patient in the arterial phase (D) shows arteriovenous malformations of the right lower (arrow) and left upper (arrowhead) lobes.