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DIFFICULTIES IN THEDIAGNOSIS OFLATERALSINUSTHROMBOSIS. Presented by DR. NATHAN P. STAUFFER.
Dr. Stauffer reported six cases of mastoid infection in which symptoms of sinus thrombosis developed subsequent to operation. Four of these cases were proved by operation to be the result of abscess and thrombosis of the lateral sinus. In one of these cases, the use of a spinal fluid manometer during the compression of the jugular veins gave positive proof of the existence of thrombosis. In another, the test was negative when a sinus thrombosis was present. The test was not used in four cases. Metastatic abscesses developed in one case. Two patients recovered without operation on the sinus. One of them had developed thrombophlebitis of the veins of the leg, which at first symptomatically simulated sinus thrombosis. The other was probably due to inflammation of the petrous portion of the temporal bone.
Dr. Stauffer concluded