INTRAMEDULLARY CYST OF THE SPINAL CORD ASSOCIATED WITH A CIRCUMSCRIBED INTRAMEDULLARY TUMOR

Abstract
The combination of an intramedullary cyst of the spinal cord with a circumscribed tumor of the spinal cord is rare, and the relation between the two conditions is of considerable interest. The case which we report illustrates the combination of such lesions. In discussing it, we shall exclude those cases of a gradually progressing central gliosis with cavity formation (referred to as syringomyelia) and limit ourselves to definite neoplastic processes. In regard to such an association little is found in the text books. Frazier1stated that gliomas of the cord (unlike those of the brain) rarely contain cysts. Elsberg2merely stated that cysts of the cord have been found. Bruns3stated that gliomas of the cord tend to grow lengthwise and to become cystic. Cysts of the cord have been found, however, with various types of tumors, both intramedullary and extramedullary. REPORT OF CASE History. —W. C.

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