Abstract
The recognized procedures of today of operating on the sphenoid sinus can be divided into the intranasal and extranasal. As the latter (extranasal) is never used except when other sinuses are coaffected, we will consider more particularly those operations which are performed through the nose. By this method the anterior sphenoidal wall is invariably attacked, although the ways and means are often divergent, as, for example, Schaffer 1 used a sharp curet, Spiess 2 penetrates into the sinus an electric trephine, Grunwald 3 a conchotome, Andrews 4 a curved knife, Grayson 5 a hand-burr, etc., with or without the removal of the middle turbinate; but it was not until Hajek 6 published his paper in 1904 that the operation assumed a definite form in progressive steps. Briefly, his method is as follows: The posterior half of the middle turbinate is removed by means of the scissors and snare (Fig. 1),
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