Figure 6c: MR images of the brain and face in a 48-year-old man. (a) Coronal T1-weighted spin-echo (340/12) image shows a large sinus mass (arrow) extending into orbits and associated with bone destruction. (b, c) Gadolinium-enhanced T1-weighted spin-echo (340/12) images in (b) coronal and (c) transverse planes show intense heterogeneous enhancement of the mass (arrow in b).