. Journal of radiology . Fig. XI.—Case No. 19401—Postero-anterior radiogramwith left sphenoid injected. mated, especially in connectionwith ophthalmic complications re-sulting from infection of thesinus mucosa. When the sinus extends intothe anteroinferior angle, the Watch The Journal favorinj and ? ™& . — poor lavage in case of suppuration. Over-extension of the posteriorethmoidal cell. Occasionally thesphenoid sinus is poorly devel-oped; a posterior ethmoidal cell -It Leads! SPHENOID SINUSES—HUBENY pushing it downward and back-ward and occupying the placewhere the sphenoid is normallysituate
. Journal of radiology . Fig. XI.—Case No. 19401—Postero-anterior radiogramwith left sphenoid injected. mated, especially in connectionwith ophthalmic complications re-sulting from infection of thesinus mucosa. When the sinus extends intothe anteroinferior angle, the Watch The Journal favorinj and ? ™& . — poor lavage in case of suppuration. Over-extension of the posteriorethmoidal cell. Occasionally thesphenoid sinus is poorly devel-oped; a posterior ethmoidal cell -It Leads! SPHENOID SINUSES—HUBENY pushing it downward and back-ward and occupying the placewhere the sphenoid is normallysituated. thereby forming aspheno-ethmoidal cell. Underthese circumstances the posteriorethmoid cell is then in relation tothe optic chiasm and pituitarybody. Xot infrequently this cellis in relation to the splenoid sinusof the opposite side, and if dis-eased, it could easily communi-cate the infection to this Fig. XII.—Case No. 19401—Leftoblique position after injection ofleft sphenoid. From the above, it will readilybe appreciated that the sphenoidalsinuses are difficult to portraywith a fair degree of certainty,even though a comprehensive x-ray study is made. It is not in-timated that the following shouldbe used as a routine diagnosticmeasure, but in cases where the 31 symptoms are obscure, or treat-ment unresponsive or if the sinusis suspected of being in close re-lationship to the surroundingstructure. Xot enough cases have beenexamined in this manner to drawcomprehensive conclusions, but itis hoped that the feasability, easeof application and apparent harm-lessness will stimulate others toapply this method of examinationin selected instances. Technique: The opaque me-dium (barium sulphate suspendedin a solution of malted milk ) isinjected into the ostium, after thelatter has been dilated and anes-thetized, until over-flow mop away any solution out-side of the cavity an
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