Fig. 4

Contrast-enhanced magnetic resonance imaging (MRI), axial view. A strongly enhanced lesion was observed in the nasal septum, ethmoid sinuses, bilateral orbital apexes, and cavernous sinus
Contrast-enhanced magnetic resonance imaging (MRI), axial view. A strongly enhanced lesion was observed in the nasal septum, ethmoid sinuses, bilateral orbital apexes, and cavernous sinus