Fig. 10
From: Intruding implements: a pictorial review of retained surgical foreign objects in neuroradiology

Brain Teflon embolism. Axial T1-weighted (a), susceptibility-weighted (b), and T2-weighted (c, d) images depicting multiple ischemic lesions (arrowheads c, d) due to Teflon emboli (arrow in a and b) subsequent to aortic dissection surgery