Fig. 8From: MRI of the lung (3/3)—current applications and future perspectivesBilateral hilar and mediastinal adenomegalies in sarcoidosis. Node enlargement (arrows) is demonstrated with gradient echo images before (a) and after administration of contrast material (b). Coronal perfusion images indicate vascular compression at the right hilum (arrow, c) and a wedge-shaped perfusion defect (asterisk, d)Back to article page