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From the Departments of Neurology, Radiology, and Pediatrics, University of Utah College of Medicine, Salt Lake City, UT.
Computed tomography (CT) both with and without contrast agents has been used to diagnose syringomyelia. We report a case in which the diagnosis was made by injection of metrizamide into a ventriculoperitoneal shunt. Continuity of the syringomyelic cavity with the ventricular system was demonstrated. This case supports the hydrodynamic concept of syringomyelia formation and illustrates a potentially useful approach to its diagnosis.
Address correspondence and reprint requests to Dr. Foster, Department of Neurology, University of Utah Medical Center, 50 North Medical Drive, Salt Lake City, UT 84132.
Accepted for publication February 19, 1980.
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