ATHEROSCLEROTIC MYELOPATHY WITH SYRINX FORMATION

Abstract
Atherosclerotic myelopathy is rare. In a previous report, Keschner and Davison1 described 2 cases of atherosclerosis of the spinal vessels with myelopathic changes; these were encountered within a period of six years in a series of about 200 cases of cerebral arteriosclerosis in which necropsy was performed. Since then, in a period of ten years, about 700 additional cases of cerebral arteriosclerosis have been observed. In a number of these cases atherosclerotic myelopathy was presented, in 2 of which cavities in the spinal cord comparable to those occurring in syringomyelia were noted. It is well known that the most common causes of syringomyelic cavities are: (1) destruction of tissue of the cord by an intramedullary tumor; (2) circulatory interference within the cord due to compression of intraspinal vessels by an intramedullary tumor, and (3) circulatory interference due to direct compression of the cord and its vessels by thickened meninges

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