Fig. 5

Axial CBCT scan showing bilateral internal carotid artery protrusion (arrows) into the sphenoid sinus with complete accessory septation (on the right side) inserting onto the internal carotid artery bony wall
Axial CBCT scan showing bilateral internal carotid artery protrusion (arrows) into the sphenoid sinus with complete accessory septation (on the right side) inserting onto the internal carotid artery bony wall