Which histologic findings are characteristic of syringomyelia?

Updated: Nov 10, 2017
  • Author: Hassan Ahmad Hassan Al-Shatoury, MD, PhD, MHPE; Chief Editor: Selim R Benbadis, MD  more...
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Answer

The syringomyelic cavity, or syrinx, forms most commonly in the lower cervical region, particularly at the base of the posterior horn and extending into the central gray matter and anterior commissure of the cord.

Histopathologic findings include (1) cavitation of spinal cord gray matter, (2) syrinx continuous with or adjacent to the central canal, and (3) an inner layer of gliotic tissue.

In association with the syrinx, other pathological conditions such as tumors, vascular anomalies, or infective processes also may be evident.


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