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FRED W. DIXON, M.D.

Arch Otolaryngol. 1939;30(6):994-997.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

One is frequently called on to determine the presence or absence of infection in the sphenoid sinus. Because of its location, roentgen reports are often misleading. It therefore becomes imperative to attempt catheterization, either for irrigation or for the instillation of an opaque oil. For this reason a survey of 300 nonmacerated skulls was made to determine the percentage in which the sphenoid sinus could be catheterized, the reason for failure and some data that would make failure less common. It is self evident that if one could locate the ostium and have some way of knowing one has entered the sphenoid cavity irrigation would be easy.

In a recent study of 1,600 macerated skulls,¹ it was found that the bony ostium is either round or oval, the diameter of the round bony ostium being 5.03 mm., while the oval ostium measures 4.02 mm. by 5.8 mm. The membranous ostium . . . [Full Text PDF of this Article]

Author Affiliations
CLEVELAND

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