Which statement best describes hydromyelia?

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Multiple Choice

Which statement best describes hydromyelia?

Explanation:
Hydromyelia involves the spinal cord’s central canal becoming dilated because cerebrospinal fluid fills that canal. The central canal is a CSF-filled channel that connects with the fourth ventricle, so CSF can migrate from the fourth ventricle into the canal. When CSF accumulates there, the canal enlarges within the cord, producing the characteristic hydromyelic change. This distinguishes it from meningeal inflammation or brain tissue herniation, which are unrelated to CSF filling the spinal canal itself.

Hydromyelia involves the spinal cord’s central canal becoming dilated because cerebrospinal fluid fills that canal. The central canal is a CSF-filled channel that connects with the fourth ventricle, so CSF can migrate from the fourth ventricle into the canal. When CSF accumulates there, the canal enlarges within the cord, producing the characteristic hydromyelic change. This distinguishes it from meningeal inflammation or brain tissue herniation, which are unrelated to CSF filling the spinal canal itself.

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