Mucocele of the sphenoid sinus: report of a case

A case is presented in which a sphenoid sinus mucocele was indicated by rapidly progressive blindness in the left eye. Recognition and extension of the mucocele was made possible with a computerized tomographic (CT) scan and tomograms, which outlined its boundaries and the involvement of the maxillary sinus, the ethmoid, and the left orbit. Immediate decompression and marsupialization of the cyst through the left maxillary sinus, using the Caldwell-Luc approach, gave excellent results. Immediate improvement of vision was noted and almost complete return of vision occured within six weeks.