Fig. 3
From: Pulmonary perfusion imaging using MRI: clinical application
Coronal 10-mm maximum intensity projection (MIP) image in a patient in a follow-up examination after acute pulmonary emboli. There is a residual occlusion of the middle lobe leading to a wedge-shaped perfusion defect on the right. There are also residual subtotal obstructions noted in the left upper and lower lobe characterised by a reduced perfusion