Although my study concerns itself chiefly with the aseptic types of thrombosis of the cavernous sinus, I shall be obliged to cover all the phases of this subject.
The sinuses of the dura mater1 are venous channels lying between the inner and the outer layer of the dura. They are rigid tubes, which always remain open.2
The cavernous sinuses, two in number, lie on each side of the sphenoid bone3 and extend from the inner end of the sphenoid fissure to the apex of the petrous portion of the temporal bone. They are of considerable size and of very irregular form. Their cavity is traversed by numerous interlacing filaments, which give rise to a reticulated structure resembling that of cavernous tissue. These partitions may give rise to from one to fourteen separate cavities.4 Enclosed in the outer wall of each cavernous sinus3
GROVE WE. SEPTIC AND ASEPTIC TYPES OF THROMBOSIS OF THE CAVERNOUS SINUS: REPORT OF CASES. Arch Otolaryngol. 1936;24(1):29–50. doi:10.1001/archotol.1936.00640050036004
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