Figure 1. Unenhanced coronal CT images through (a) the orbits and (b) facial sinuses (slice thickness 5 mm; window width 1500 HU, window level +200 HU).
Figure 1. Unenhanced coronal CT images through (a) the orbits and (b) facial sinuses (slice thickness 5 mm; window width 1500 HU, window level +200 HU).