Fig. 3.From: Intruding implements: a pictorial review of retained surgical foreign objects in neuroradiologyBone wax. Axial T2-weighted (a) and T1-weighted (b) and coronal T2-weighted (c) and post-contrast T1-weighted (d) images depicting burr hole bone wax, hypointense on both T1- and T2-weighted sequences (arrow in a, b, and c). Reactive enhancement is evident on post-contrast T1-weighted image (arrow in d)Back to article page