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Annular Tear

Causes, Symptoms, Treatments, & More Resources

Low back pain can be debilitating and have many different causes. Today we’ll be discussing annular tears. The first question is what is an annular tear?  Are annular tears painful?  Is an annular tear the same as a herniated disc?  What are the annular tear treatment options?  Let’s dig in.

What is An Annular Tear?

To understand annular tears, let’s first review the anatomy of the spine.  The lumbar spine is comprised of 5 boney building blocks called vertebral bodies. Sandwiched between the vertebral bodies are the lumbar discs.  Each disc is comprised of an outer fibrous ring, the annulus fibrosis that surrounds the inner gelatinous center, which is called the nucleus. The disc absorbs the forces of daily living. The annulus has multiple layers of collagen that provide important support.  The annulus is similar to the sidewall of a tire which provides important stability for the tire.

Causes of Annular Tear

Through trauma or degeneration, the outer annular fibers can become injured and or weakened.  This weakening in one or more annular layers can result in an annular tear.  The diagnosis of an annular tear is made after a radiographic examination such as an MRI.  An annular tear is a bright signal in the outer wall of the disc which can also be referred to as a high-intensity zone in MRI reports (1).

To learn more about annular tears please watch the video below.

Common Symptoms of an Annular Tear

Calf Muscle Twitching

A twitching calf muscle may seem like no big deal, and if it’s just a temporary annoyance that lasts a couple of days and then goes away, it may be. However, it can also be a warning sign of something bigger, especially if it continues. So, today, we’re going to explain a little about the calf and why it’s not a good idea to ignore calf muscle twitching. If there’s one muscle you’re likely familiar with, it’s the calf muscle. If you reach around and grab your calf and flex it, the muscle you are actually feeling just under the surface is called the gastrocnemius muscle.

Read More About Calf Muscle Twitching

Lower Back Pain When Sitting

After a long day on your feet sitting down is supposed to be way to relaxing. Unfortunately for some sitting for any length of time can be painful. Most people experience low back pain at some point in their life. The lifetime prevalence of low back pain is 85% (1). Let’s take a deeper look at the different types of pain and causes of low back pain when sitting. Pain can present in many different ways. It can be intermitent or constant. The quality of the low back pain can also vary depending upon the actual source of injury. Common examples include: Sharp and Stabbing, Dull and Aching, Throbbing/ Pulsating, Pins and Needles, Burning, Electrical

Read More About Lower Back Pain When Sitting

Lower Back Pain When Standing

When you’re seated, the facet joints in your lower back are in an open and slightly flexed position. When you stand up, these joints compress. If they are painful or have arthritis, you’ll have pain as you stand up because this puts pressure on the painful joints. In addition, if there is any type of movement of one vertebra forward on another (called spondylolisthesis), then this shift will have occurred as you sit. This is called degenerative spondylolisthesis. When you get back up, the vertebrae will come back into position after a few seconds, leading to that awkward “walk it out period” that starts out painful and ends up more normal.

Read More About Lower Back Pain When Standing

Upper Back Pain Between The Shoulder Blades

Upper back pain between the shoulder blades is also known as interscapular pain. Fifteen percent of the population suffers from chronic upper back pain. Finding the source of interscapular pain can be tricky because the upper back houses many important structures like the heart, the upper lobes of the lung, the cervical spine, the scapulas, and a dozen or so of muscles and nerves.

Read More About Upper Back Pain Between The Shoulder Blades

Are Annular Tears Painful?

No, not all annular tears are painful.  In fact, annular tears are commonly identified in individuals without low back pain.  In a recent study of patients with no low back pain who underwent MRI examination, annular tears were found in 56% (2).  Similar findings were found in the cervical spine.  In a 2005 study of patients with no neck pain, 37% had an annular tear (3).  Annular tears can become symptomatic and cause localized lower back pain aggravated by sitting.  Patients with annular tears can also have other disc injuries which include protrusion and herniations.  Often times the disc protrusions and herniations are the sources of the pain.  Annular tears by themselves are not an indicator that a given disc will undergo additional degeneration in the future (4).

Is an Annular Tear the Same as a Herniated Disc?

No.  An annular tear is a weakness in the outer fibers of the annulus that results in a tear in the collagen fibers.  Tears are common in patients with no low back pain.  The inside of the disc, the nucleus is not involved.   Disc herniation, on the other hand, is when the outer annular fibers are so severely weakened that the gelatinous center of the disc passes through the annulus and is extruded out into the spinal canal.  An annular tear may not be associated with low back pain whereas a disc herniation is typically associated with severe low back and often times leg pain.

How Long  Does it Take Annular Tear to Heal?

Healing times vary significantly based on the severity of the annular tear and whether or not the tear is associated with disc protrusion or disc herniation. The annulus has very poor blood flow which can impact healing.

Annular Tear Treatment Options

L 4/5 Fusion Surgery

Spinal fusion is a major surgery where one or more spinal bones (vertebrae) are fused together using screws, bolts, and or plates.  The hardware may be placed in the front (anterior) or the back (posterior) of the spine. The disc between the spinal bones is often times removed and replaced with bone or a spacer. “L 4/5” refers to the level of the surgery. There are 5 spinal bones in the low back which are numbered from top to bottom L1, L2, L3, L4, and L5.  Sandwiched between each of the spinal bones is a disc.  The disc is named for the two spinal bones it is sandwiched between. 

Read More About L 4/5 Fusion Surgery

L5 S1 Fusion Surgery

Spinal fusion is a major surgery where one or more spinal bones (vertebrae) are fused together using screws, bolts, and or plates. The hardware may be placed in the front (anterior) or the back (posterior) of the spine. The disc between the spinal bones is often times removed and replaced with bone or a spacer. L5 S1 Fusion refers to the level of the surgery. There are 5 spinal bones in the low back which are numbered from top to bottom L1, L2, L3, L4, and L5. Sandwiched between each of the spinal bones is a disc. The disc is named for the two spinal bones it is sandwiched between.

Read More About L5 S1 Fusion Surgery

NSAIDs

The other day I was evaluating a patient and reviewing the treatment options for their spine condition.  After discussing prior treatments, we got to the topic of medications taken for pain relief. She explained that she mainly utilized anti-inflammatory (NSAID) medications and then she told me to hold much she takes and has been for many years…..she takes close to 2 grams (2000 milligrams) on a daily basis which equated to about 9-10 capsules of medication per day.  I was shocked, considering she was pre-diabetic and with high blood pressure plus the kicker of it is that her PCP (primary care physician) is ok with this…

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Perc-FSU – Trusted Alternative to Spinal Fusion

The Perc-FSU Procedure is an injection-based treatment that utilizes the patients’ own blood platelets to bring stability to the spine without the need for the rods, nuts, bolts, and hardware of fusion surgery. “Perc” stands for percutaneous, and “FSU” stands for “Functional Spinal Unit,” which means that the spine is treated as one functioning unit. Up and down the spine, the discs, facet joints, ligaments, and muscles that assist in stabilizing the spine are treated with image-guided injections of PRP and Platelet Lysate to help bring stability to the spine as a whole. It is the trusted alternative to spinal fusion.

Read More About Perc-FSU – Trusted Alternative to Spinal Fusion

Transforaminal Lumbar Interbody Fusion (TLIF)

Transforaminal Lumbar Interbody Fusion is a variant of the Posterior Lumbar Interbody Fusion (PLIF) technique described by Cloward in the 1950s.  PLIF has been associated with the high incidences of neurological complications, up to 13.6% of permanent neurologic lesions in Barnes’ et al. study, in particular of the traversing nerve root (2,3) This is due to the fact that a great amount of traction on the dural sac is required to implant the interbody fusion devices. Surgeons have transitioned to TLIF in efforts to reduce complication rates. Success rates vary depending on what literature you read and recently all orthopedic surgery literature has come under fire…

Read More About Transforaminal Lumbar Interbody Fusion (TLIF)

Annular tears that are painful are typically associated with disc protrusion or herniations.  When conservative care in the form of PT, activity modification, or safe anti-inflammatory medications fail to provide significant or sustained benefit, lumbar injections are often recommended.  Steroid injections have significant side effects which include risk of osteonecrosis, increased risk of fracture in older women, cartilage breakdown, and stem cell toxicity (5).  PRP is an alternative and has been demonstrated to be effective in reducing low back pain due to disc injury (6).  PRP injected directly into the disc has been effective at 5-9 years after the injection in reducing pain and increasing function in patients with low back pain (7).

The Centeno-Schultz Clinic was the first clinic in the world to inject bone marrow-derived stem cells into a lumbar disc.  We have extensive experience in the treatment of annular tears and other disc injuries.  We have published our results which demonstrated bone marrow-derived stem cells injected into a lumbar disc were both safe and effective in reducing pain and increasing function (8).  Bone marrow-derived stem cells and or PRP can be injected directly into the annulus to treat painful annular tears.  The procedure is called a Perc-Orthobiologic Annuloplasty.  To watch a lumbar disc stem cell procedure please click on the video.

Do Annular Tears Require Surgery?

Surgery is often recommended for the treatment of lumbar disc injuries including annular tears.  Unfortunately, surgery is associated with a number of problems including infection, failure, escalation in pain, nerve damage, and atrophy of supporting muscles. Lumbar fusion is a surgery whereby the spine bones are bolted together.  A major complication from this procedure is disc degeneration above and below the fusion which is called adjacent segment disease.  To better understand fusion surgery and adjacent segment disease.

In Conclusion

The annulus is a thick ring of collagen fibers that surrounds the gelatinous inside portion of the disc.  The annulus is susceptible to injury due to trauma or degeneration.  Annular tears are diagnosed by MRI examinations and are oftentimes not associated with any pain.  Patients with annular tears may also have other disc injuries including disc protrusions and herniations.  Annular tears are different than disc herniations.  Activity modification, PT, and anti-inflammatory medications are conservative annular tear treatment options. Steroids are associated with significant side effects.  PRP and stem cell injections are effective non-surgical treatment options for annular tears and other back conditions.

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Doctors Who Help With Annular Tear

Christopher J. Centeno, MD

Christopher J. Centeno, M.D. is an international expert and specialist in Interventional Orthopedics and the clinical use of bone marrow concentrate in orthopedics. He is board-certified in physical medicine and rehabilitation with a subspecialty of pain medicine through The American Board of Physical Medicine and Rehabilitation. Dr. Centeno is one of the few physicians in the world with extensive experience in the culture expansion of and clinical use of adult bone marrow concentrate to treat orthopedic injuries. His clinic incorporates a variety of revolutionary pain management techniques to bring its broad patient base relief and results. Dr. Centeno treats patients from all over the US who…

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John Schultz, MD

My passion and specialization are in the evaluation and treatment of cervical disc, facet, ligament and nerve pain, including the non-surgical treatment of Craniocervical instability (CCI). I quit a successful career in anesthesia and traditional pain management to pursue and advance the use of PRP and bone marrow concentrate for common orthopedic conditions. I have been a patient with severe pain and know firsthand the limitations of traditional orthopedic surgery. I am a co-founder of the Centeno-Schultz Clinic which was established in 2005. Being active is a central part of my life as I enjoy time skiing, biking, hiking, sailing with my family and 9 grandchildren.

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John Pitts, M.D.

Dr. Pitts is originally from Chicago, IL but is a medical graduate of Vanderbilt School of Medicine in Nashville, TN. After Vanderbilt, he completed a residency in Physical Medicine and Rehabilitation (PM&R) at Emory University in Atlanta, GA. The focus of PM&R is the restoration of function and quality of life. In residency, he gained much experience in musculoskeletal medicine, rehabilitation, spine, and sports medicine along with some regenerative medicine. He also gained significant experience in fluoroscopically guided spinal procedures and peripheral injections. However, Dr. Pitts wanted to broaden his skills and treatment options beyond the current typical standards of care.

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Jason Markle, D.O.

Post-residency, Dr. Markle was selected to the Interventional Orthopedic Fellowship program at the Centeno-Schultz Clinic. During his fellowship, he gained significant experience in the new field of Interventional Orthopedics and regenerative medicine, honing his skills in advanced injection techniques into the spine and joints treating patients with autologous, bone marrow concentrate and platelet solutions. Dr. Markle then accepted a full-time attending physician position at the Centeno-Schultz Clinic, where he both treats patients and trains Interventional Orthopedics fellows. Dr. Markle is an active member of the Interventional Orthopedic Foundation and serves as a course instructor, where he trains physicians from around the world.

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Matthew William Hyzy, D.O.

Doctor Hyzy is Board Certified in Physical Medicine and Rehabilitation (Physiatry) and fellowship-trained in Interventional Orthopedics and Spine. Dr. Hyzy is also clinical faculty at the University of Colorado School of Medicine in the Department of Physical Medicine and Rehabilitation; In addition, Dr. Hyzy is an Adjunct Clinical Assistant Professor at The Rocky Vista University College of Osteopathic Medicine. Dr. Hyzy also maintains an active hospital-based practice at Swedish Medical Center and Sky Ridge Medical Center. He is also recognized and qualified as an expert physician witness for medical-legal cases and Life Care Planning. He is published in the use of autologous solutions including…

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Brandon T. Money, D.O., M.S.

Dr. Money is an Indiana native who now proudly calls Colorado home. He attended medical school at Kansas City University and then returned to Indiana to complete a Physical Medicine and Rehabilitation residency program at Indiana University, where he was trained on non-surgical methods to improve health and function as well as rehabilitative care following trauma, stroke, spinal cord injury, brain injury, etc. Dr. Money has been following the ideology behind Centeno-Schultz Clinic and Regenexx since he was in medical school, as he believed there had to be a better way to care for patients than the status quo. The human body has incredible healing capabilities…

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Mairin Jerome, MD

Mairin Jerome, MD

Dr. Mairin Jerome is a physiatrist with subspecialty fellowship training in Interventional Orthopedics and Regenerative Medicine. This subspecialty serves to fill the gap for patients who are interested in therapeutic options that lie between conservative treatment and surgery. Dr. Jerome uses regenerative medicine techniques, including prolotherapy and orthobiologics, via X-ray or ultrasound guidance to precisely deliver injections to areas of musculoskeletal injury or degeneration. Orthobiologics refers to tissue harvested typically from a person’s own body, such as platelets (platelet-rich plasma, PRP) or bone marrow, for use in treating painful musculoskeletal conditions. The goal is to stimulate the body’s healing mechanisms to improve pain, function, and decrease inflammation.

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More Resources for Annular Tear

The Spine Owner’s Manual: How to Avoid Back Pain & Life-Altering Surgery

This e-book from Dr. Chris Centeno focuses on the spine and how it functions within the human musculoskeletal system and the body as a whole. Everything in our bodies works together like a well-tuned symphony to support our well-being, and a strong spine (including all of its component parts, such as spinal nerves, ligaments, muscles, etc.) is critical to complete health.

Using the Regenexx SANS approach, The Spine Owner’s Manual provides a series of tests and clearly defined exercises that you can do on your own to measure and monitor your own spinal health. These musculoskeletal tests will allow you to monitor where your own body might be struggling to maintain proper stability, articulation, symmetry, and neuromuscular function.

  • PRP for Herniated Disc, Bulging Disc, and Disc Protrusion

    Dr. Pitts discusses PRP for Herniated Disc, Disc Bulge, and Disc Protrusion Transcript Hello, everybody. This is Dr. John Pitts of the Centeno-Schultz Clinic, where we are the leaders and inventors of much of the field of interventional orthopedics, which is basically treating and diagnosing musculoskeletal, orthopedic-type problems using injections and regenerative agents rather than … Continued

  • Annular Tear: Expert Advice that You Need to Know

    The disc is an important shock absorber.  The center of the disc is the nucleus populous whereas the thick outer sidewall is the annulus. Dr. Schultz discusses what an annular tear is, its symptoms, and new innovative treatment options.

  • Watch Dr. Pitts Perform a Disc Treatment Using Stem Cells

    Today, we invite you into one of our interventional orthopedics procedure suites. Dr. Pitts will be performing an advanced image-guided stem cell injection into an L4–5 disc to treat a patient with an annular tear and low back pain. Watch the video below, and you can also review terminology and equipment in this post below … Continued

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1.Park KW, Song KS, Chung JY, et al. High-Intensity Zone on L-spine MRI: Clinical Relevance and Association with Trauma History. Asian Spine J. 2007;1(1):38-42. doi: 10.4184/asj.2007.1.1.38

2. Stadnik TW, Lee RR, Coen HL, Neirynck EC, Buisseret TS, Osteaux MJ. Annular tears and disk herniation: prevalence and contrast enhancement on MR images in the absence of low back pain or sciatica. Radiology. 1998;206(1):49-55. DOI: 10.1148/radiology.206.1.9423651

3. Ernst CW, Stadnik TW, Peeters E, Breucq C, Osteaux MJ. Prevalence of annular tears and disc herniations on MR images of the cervical spine in symptom free volunteers. Eur J Radiol. 2005;55(3):409-14.DOI: 10.1016/j.ejrad.2004.11.003

4. Farshad-Amacker NA, Hughes AP, Aichmair A, Herzog RJ, Farshad M. Is an annular tear a predictor for accelerated disc degeneration. Eur Spine J. 2014;23(9):1825-9.

5. Wyles CC, Houdek MT, Wyles SP, Wagner ER, Behfar A, Sierra RJ. Differential cytotoxicity of corticosteroids on human mesenchymal stem cells. Clin Orthop Relat Res. 2015;473(3):1155-64.DOI: 10.1007/s11999-014-3925-y

6.Akeda K, Yamada J, Linn ET, Sudo A, Masuda K. Platelet-rich plasma in the management of chronic low back pain: a critical review. J Pain Res. 2019;12:753-67.DOI: 10.2147/JPR.S153085

7. Monfett M, Harrison J, Boachie-Adjei K, Lutz G. Intradiscal platelet-rich plasma (PRP) injections for discogenic low back pain: an update. Int Orthop. 2016;40(6):1321-8.DOI: 10.1007/s00264-016-3178-3

8. Centeno C, Markle J, Dodson E, et al. Treatment of lumbar degenerative disc disease-associated radicular pain with culture-expanded autologous mesenchymal stem cells: a pilot study on safety and efficacy. J Transl Med. 2017;15(1):197.DOI: 10.1186/s12967-017-1300-y

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