PMC5270036_01
Chest x-ray during initial evaluation demonstrating airspace opacification (arrows) within the superior segment of the right lower lobe.
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F1
A chest x-ray (Figure 1) showed an airspace opacification within the superior segment of the right lower lobe suspicious for an arteriovenous malformation (AVM).
Echocardiography conducted at the bedside with positive bubble study, confirming a right-to-left shunt.
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F2
Anterior thoracic computed tomography scan illustrating a dominant pulmonary arteriovenous malformation (solid arrows) in the right lower lung lobe. There is a large feeder vessel (open arrows), and the right lower pulmonary vein is dilated (asterisk).
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F3
Posterior thoracic computed tomography scan illustrating a dominant pulmonary arteriovenous malformation (solid arrows) in the right lower lung lobe. There is a small feeder vessel (open arrows) which is more superior than the larger vessel seen in figure 2.
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F4
Angiography of the right pulmonary demonstrating a large arteriovenous malformation with multiple feeder vessels.
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F5
Angiography of the right pulmonary artery revealed an AVM with a large feeder vessel, approximately 7mm in diameter, and several smaller feeder vessels (figure 5).
Angiography of the right pulmonary artery post-embolization illustrating effective reduction of right-to-left shunt.
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F6