Fig. 1.

Preoperative coronal MSCT scan showing the tumour occupying the left nasal cavity and eroding the lamina papyracea. It was attached to the anterior skull base by a narrow, stalk-like base (black arrow).

Preoperative coronal MSCT scan showing the tumour occupying the left nasal cavity and eroding the lamina papyracea. It was attached to the anterior skull base by a narrow, stalk-like base (black arrow).