What Is an Annular Tear?


Quick Answer

Laser Spine Institute defines an annular tear as what occurs when the annulus fibrosis, the tough exterior portion of an intervertebral disc, is pulled apart. An annular tear can occur from everyday or traumatic stress placed on an intervertebral disc.

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What Is an Annular Tear?
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Full Answer

Laser Spine Institute states that there are three types of annular tears: radial, peripheral and concentric tears. A radial tear occurs naturally from the normal wear and tear of everyday movement throughout the years, while a peripheral and concentric tear is caused by injury. The Institute explains that annular tears are best found using a CT discography, but the less painful and effective MRI can also be used to detect them.

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