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July 1952

CYSTS OF THE SACRAL NERVE ROOTSClinical Significance and Pathogenesis

Author Affiliations

NEW YORK

From the Neurosurgical Service of the Flower and Fifth Avenue Hospitals, and the Department of Neurology and Neurosurgery of New York Medical College.

AMA Arch NeurPsych. 1952;68(1):94-108. doi:10.1001/archneurpsyc.1952.02320190100010
Abstract

MY DISCOVERY in 19381 of cysts of the sacral nerve roots was followed in 19482 by my establishment of their clinical importance as one cause of the sciatic syndrome. Further experience has proved that they may be responsible also for various caudosacral syndromes. My most recent investigations have thrown light on the pathogenesis of these cysts.

My original studies of the histology of the filum terminale necessitated rather complete dissections of the lower end of the spinal cord, with the sacral nerve roots and ganglia attached. Five of 30 such dissections revealed cysts of the posterior sacral nerve roots and ganglia.1b In a later series, of 45 cadavers, cysts were encountered in five specimens, all on the sacral nerve roots (Fig. 1A). The subjects in the series were between 49 and 63 years of age.

All cysts were concealed under the posterior arch of the sacrum,

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