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September 1928

THE TOBEY-QUECKENSTEDT TEST IN THE LOCALIZATION OF TUMORS OF THE CEREBELLOPONTILE ANGLE

Arch NeurPsych. 1928;20(3):585-588. doi:10.1001/archneurpsyc.1928.02210150145009
Abstract

This study of the changes in the spinal fluid pressure in cerebellar tumors was suggested by the work of Tobey and Ayer1 in which they demonstrated that, in lateral sinus thrombosis, compression of the jugular vein on the side of the lesion does not produce a rise in intracranial pressure as measured by a spinal manometer, but that compression of the opposite jugular vein produces almost as great a rise as does bilateral compression. It occurred to me that tumors of the cerebellopontile angle, situated as they are, close to the lateral sinus and jugular foramen, must, in the large majority of cases, cause compression of the sinus on the homolateral side. If such compression is present, it should be capable of demonstration by the Tobey-Queckenstedt test. It was determined, therefore, to apply this test in suitable cases of cerebellar tumor. The tracings were obtained by connecting an indwelling

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