• Mihir Bapat and Umesh Metkar.
• Department of Orthopedics, King Edward Memorial Hospital, Mumbai, India. mrbkemh@netscape.net
• Spine. 2006 Feb 1; 31 (3): E88-90.

Study DesignA case report describing an unusual incident of quadriplegia in a young adult male caused by an epidural varix at the cervicothoracic junction.ObjectiveTo report an unusual case of quadriplegia caused by an epidural varix at the cervicothoracic junction.Summary Of Background DataEpidural varices are dilated tortuous elongated veins inside the central canal. In degenerative spinal stenosis, these varices are a result of venous stagnation and contribute to the pathogenesis of radicular pain. In the absence of stenosis, primary varicosities develop as a result of dynamic obstruction to venous outflow during spinal movements. A primary epidural varix can produce neurologic deficit similar to a space occupying lesion within the spinal canal. The myeloradiculopathy is of a slow progressive nature.Material And MethodsA young man presented with an acute onset flaccid quadriplegia in the absence of significant trauma. Magnetic resonance imaging revealed an extradural space occupying lesion at the cervicothoracic junction that was diagnosed as an isolated epidural varix during surgery.ResultsNo neurologic recovery occurred. Postoperative magnetic resonance imaging revealed a syrinx in the cervicothoracic cord.ConclusionIn the absence of other precipitating factors, the cord injury was attributed to the epidural varix. A temporary impedance to the venous outflow with the increase in the venous pressure has been hypothesized as the mechanism of cord injury.

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