Fig. 2.

CT angiography. (a) Sagittal section: tumour at the nasal cavities (red circle); (b) coronal section: tumour destructed the cribriform plate and occupied the subdural space of the frontal region (red arrow); (c) axial section: tumour pushed left and suitable bulbs oculi laterally (yellow arrow). (For interpretation of the references to colour in this figure legend, the reader is referred to the web version of this article.)