1. Name the typical imaging feature in the above case that reveal it as an acute pulmonary embolism and not a chronic pulmonary embolism. 2. Name a typical imaging feature seen in acute pulmonary embolism that is also demonstrated in this patient
1. Typically the embolus makes an acute angle with the vessel, in contrast to chronic emboli. 2. Polo mint sign
A nearly occlusive eccentric filling defect is seen in the right main pulmonary artery in the arterial phase. A smaller non occlusive filling defect is also seen in the left main pulmonary artery and in the segmental artery to the lingular lobe.
There is moderate acute dilatation of the right ventricle.
No pleural effusion or lung consolidation.