Fig. 2

a Computed tomography (CT) scanning of the brain and orbits revealed extensive involvement of the bilateral intranasal sinuses, orbits, extraocular muscles, and soft tissues. Increased soft tissue density was evident in the bilateral maxillary sinus, ethmoid sinus, sphenoid sinus, and around the orbits. Dilatation of the extraocular muscles was also observed, as was erosion of the left lateral wall of the sphenoid and cribriform plate. b Perforation of the patient’s nasal septum affected the left nasal cavity, with evidence of hard palate and left nasal wing involvement and perforation