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Article
May 10, 1902

LESIONS OF THE CONUS MEDULLARIS AND CAUDA EQUINA.A CONTRIBUTION TO THE STUDY OF SPINAL LOCALIZATION.

JAMA. 1902;XXXVIII(19):1195-1203. doi:10.1001/jama.1902.62480190001001
Abstract

It is only within the past few years that lesions of the conus medullaris and cauda equina have attracted the attention of medical writers. In 1895 Raymond collected 29 cases of spinal disease, in which either one or the other of these structures were involved. Since then Clemens, Schiff, Church, Koster, Mueller, Sachs and a few others have reported similar conditions. The symptoms produced by disease of the conus medullaris and cauda equina are well defined and, as a rule, easy of recognition. Experienceshows, however, that unless one has learned to search directly for them, they may be readily overlooked. My chief aim in presenting this paper is to further the recognition of the clinical picture indicative of disease of these important structures.

The conus medullaris occupies a position in the spinal canal directly behind the first lumbar vertebra. Upon exposing the spinal cord, the conus is completely hidden from

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