Correct!
1. Aneurysmal dilatation of the pulmonary vein
5. Pulmonary varices
These images represent aneurysmal dilatation of the pulmonary vein, otherwise known as pulmonary varices. Pulmonary emboli would present as blockage of the pulmonary arteries. Multiple metastatic lesions would have a more delayed blush rather than rapidly appearing to fill the entire pulmonary vein and would present as discrete nodular opacities, not tortuous, elongated structures.
Which of the following are causes of pulmonary varices? (Click on the correct answer to be directed to the sixth of seven pages)