Metrizamide ventriculography in syringomyelia

Abstract
Computed tomography (CT), both with and without contrast agents, has been used to diagnose syringomyelia. A case of a child with syringomyelia in which the diagnosis was made by injection of metrizamide into a ventriculoperitoneal shunt is reported. 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.

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