The sphenoidal sinus is frequently disregarded or overlooked in the routine investigation of disease of the nasal sinuses, and it is almost always overlooked as a possible source of origin of severe general infections. This may be because some otolaryngologists feel that actual infection of the sphenoidal sinus is of relatively infrequent occurrence. Probably less than 5 per cent of all the sphenoidal cavities that I have opened or have seen opened have shown the presence of active infection. Fraser1 has recently stated that a great many unnecessary operations are being performed on this sinus. In his experience, a small percentage of these sinuses have been found involved at the time of operation. For this reason, it would seem proper that investigations of the sphenoidal sinus should be confined to such cases as present signs and symptoms which may be directly referable to the sphenoid.
Broadly speaking, there
MYERSON MC. SIMPLIFIED INVESTIGATION OF THE SPHENOIDAL SINUS. Arch Otolaryngol. 1929;10(6):616–623. doi:10.1001/archotol.1929.00620090058004
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