PMC3232548_01
Chest radiographic film showing prominent pulmonary vasculature and dilated pulmonary artery shadow
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F1
Chest X-ray showed prominent peripheral pulmonary vasculature and pulmonary artery (figure 1).
Subcostal view of echocardiographic contrast study showing the rapid filling of the left atrium following contrast via the right atrium
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F2
A contrast echocardiogram showed rapid return of contrast into the left atrium less than 5 seconds after it is seen in the right atrium (figure 2, and a diagnosis of diffuse-type pulmonary arteriovenous malformation (PAVM) was made.
Thoracic CT scan showing multiple abnormal vascular formations highlighted by contrast
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F3
CT scan was performed which showed prominent large vessels in the lower left lower lobe (figure 3) but not in any other organs. Cardiac catheterization showed normal pressures with desaturation in the left sided chambers.
Pulmonary angiogram showing diffuse PAVMs
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F4
Pulmonary angiography showed multiple diffuse vascular lesions in the peripheries consistent with arteriovenous malformation (figure 4).