The diagnosis and mode of development of thrombophlebitis of the lateral sinus are usually fairly clear. A septic temperature and chills in the course of purulent otitis media, with or without evidence of mastoiditis, suggest thrombosis either of the lateral sinus or of the jugular bulb. Positive results of blood cultures at this time, as pointed out by Libman,1 are of great significance and usually indicate that operative treatment is imperative. In all such cases the otitic infection is the start.
In contrast to sinus thrombosis secondary to otitis media, I have observed two children and have been interested in a third child in whose case I believed that the source of sinus thrombophlebitis was not an otitic infection. In one case the condition was due to the spreading of a thrombus from the left lateral sinus to the healthy right side, and in the other two it was
KARELITZ S. THROMBOSIS OF THE LATERAL SINUS AND JUGULAR BULB OF NONOTITIC ORIGIN: A NEW DIAGNOSTIC SIGN. Am J Dis Child. 1936;51(6):1349–1355. doi:10.1001/archpedi.1936.01970180095007
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