Proper treatment of any pathologic condition presupposes a correct knowledge of the anatomy of the region involved as well as of the structures surrounding that region. The sphenoid sinus, on account of its inaccessibility, is frequently overlooked and rarely treated. All the posterior sinuses are favored by their dependent drainage and the position of their natural ostiums. That they are invaded, however, is shown by the investigations of Teed.1 In summarizing his report of 1,060 clinical cases of sinusitis, he stated that the sphenoid sinus was involved in only 15.7 per cent. When, however, the autopsy reports in 1,184 cases were analyzed, it was found that the sphenoid sinus had been diseased in 250, or 22 per cent of these cases.
This, the most variable of all the sinuses in shape, size and drainage, may be in relationship to all three of the cranial fossae. Its walls may come into
DIXON FW. PRACTICAL POINTS IN THE TREATMENT OF SPHENOIDITIS. Arch Otolaryngol. 1941;34(1):117–120. doi:10.1001/archotol.1941.00660040127012
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