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Annular Tear – Definition and Causes

Due to its degenerative nature and susceptibility to injury, the tough exterior of the intervertebral disc can be affected by a number of conditions, including an annular tear. Continue reading to learn more about the meaning and causes of an annular tear.

Definition

When the tough exterior of an intervertebral disc (called the annulus fibrosus) rips, it is called an annular tear. This condition can occur along the outer edge of a disc, between the layers of the annulus fibrosus or can even start in the center and extend all the way to the outside. Each type of tear will typically present a different level of pain (from non-existent to excruciating) and usually has a different cause.

Causes

The neck and back are responsible for supporting the majority of a person’s weight, making them susceptible to a great deal of wear. An intervertebral disc sometimes responds to this wear by gradually breaking down as a person ages, occasionally leading to an annular tear. By definition, any condition that causes a part of the body to diminish over time is degenerative, which can be true for an annular tear. This condition can also be caused by traumatic injury. Sudden and impactful force (from high-impact sports, for instance) can apply excessive pressure to the annulus fibrosus, causing an intervertebral disc to rip.

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Whether an annular tear is caused by the aging process or a sudden injury, several treatment options can provide patients with relief from the pain that is often associated with this condition. Patients should contact their back specialist or primary care physician if an annular tear is suspected.

Please note: Laser Spine Institute currently does not perform endoscopic procedures on the thoracic spine.