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Updated April 18, 2012

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Herniated disc is a common cause of encroachment.

Herniated disc is a common cause of encroachment.


Encroachment refers to the limiting of normal spinal spaces, such as the foramen or the spinal canal by a piece of spinal anatomy that does not belong in that space. These spaces contain nervous tissue, making it quite possible for an encroachment to cause pain and other symptoms.

Common causes of encroachment include bone spurs from osteoarthritis, herniated disc material, spinal stenosis, and spondylolisthsis.

Pronunciation: ehn-krohch-mehnt
Also Known As: Encroach, Encroached
Formainal encroachment is a term referring to blockage of the foramen by a piece of spinal anatomy.
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