Fig. 1From: Proptosis secondary to a solitary plasmacytoma of the sphenoid bone: a case report on a rare skull base tumourPreoperative CT scan of the brain and skull base. CT brain axial views, pre (A) and post (B) contrast administration, revealing right skull base tumour arising from region of sphenoid wing, and extending into orbit and temporalis muscle. Axial bone window (C) showing degree of bony erosion of temporal bone and skull baseBack to article page