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Diskectomy

Spinal microdiskectomy; Microdecompression; Laminotomy; Disk removal; Spine surgery - diskectomy; Discectomy

Diskectomy is surgery to remove all or part of the cushion that helps support part of your spinal column. These cushions are called disks, and they separate your spinal bones (vertebrae).

Description

A surgeon may perform disk removal (diskectomy) in these different ways.

  • Microdiskectomy: When you have a microdiskectomy, the surgeon does not need to do much surgery on the bones, joints, ligaments, or muscles of your spine.
  • Diskectomy in the lower part of your back (lumbar spine) may be part of a larger surgery that also includes a laminectomy, foraminotomy, or spinal fusion.
  • Diskectomy in your neck (cervical spine) is most often done along with foraminotomy, or fusion.

Microdiskectomy is done in a hospital or outpatient surgical center. You will be given general anesthesia. You will be asleep and pain-free.

  • The surgeon makes a small (1 to 1.5-inch, or 2.5 to 3.8-centimeter) incision (cut) on your back and moves the back muscles away from your spine. The surgeon uses a special microscope to see the problem disk or disks and nerves during surgery.
  • The nerve root is located and gently moved away.
  • The surgeon removes the injured disk tissue and pieces of the disk.
  • The back muscles are returned to their normal place.
  • The incision is closed with stitches or staples.
  • The surgery takes about 1 to 2 hours.

Diskectomy and laminotomy are usually done in the hospital, using general anesthesia (asleep and pain-free).

  • The surgeon makes a larger cut on your back over the spine.
  • Muscles and tissue are gently moved to expose your spine.
  • A small part of the lamina bone (part of the vertebrae that surrounds the spinal column and nerves) is cut away. The opening may be as large as the ligament that runs along your spine.
  • A small hole is cut in the disk that is causing your symptoms. Material from inside the disk is removed. Other fragments of the disk may also be removed.

Why the Procedure Is Performed

When one of your disks moves out of place (herniates), the soft gel inside pushes through the wall of the disk. The disk may then place pressure on the spinal cord and nerves that are coming out of your spinal column.

Many of the symptoms caused by a herniated disk get better or go away over time without surgery. Most people with low back or neck pain, numbness, or even mild weakness are often first treated with anti-inflammatory medicines, physical therapy, and exercise.

Only a few people with a herniated disk need surgery.

Your health care provider may recommend a diskectomy if you have a herniated disk and:

  • Leg or arm pain or numbness that is very bad or is not going away, making it hard to do daily tasks
  • Severe weakness in muscles of your arm, lower leg or buttocks
  • Pain that spreads into your buttocks or legs

If you are having problems with your bowels or bladder, or the pain is so bad that strong pain medicines do not help, you will need to have surgery right away.

Risks

Risks of anesthesia and surgery in general are:

  • Reactions to medicines
  • Breathing problems
  • Bleeding, blood clots, infection

Risks of this surgery are:

  • Damage to the nerves that come out of the spine, causing weakness or pain that does not go away.
  • Your back pain does not get better, or pain comes back later.
  • Pain after surgery, if all the disk fragments are not removed.
  • Spinal fluid may leak and cause headaches.
  • The disk may bulge out again.
  • Your spine may become more unstable and require more surgery.
  • Infection that may require antibiotics, a longer hospital stay, or more surgery.

Before the Procedure

Tell your surgeon what medicines you are taking, even medicines, supplements, or herbs you bought without a prescription.

During the days before the surgery:

  • Prepare your home for when you come back from the hospital.
  • If you are a smoker, you need to stop, ideally 4 weeks before your surgery. Your recovery will be slower and possibly not as good if you continue to smoke. Ask your provider for help.
  • Two weeks before surgery, you may be asked to stop taking medicines that make it harder for your blood to clot. These include aspirin, ibuprofen (Advil, Motrin), naproxen (Aleve, Naprosyn), and other medicines like these.
  • If you have diabetes, heart disease, or other medical problems, your surgeon will ask you to see the providers who treat you for those conditions before your surgery.
  • Talk with your provider if you have been drinking a lot of alcohol, more than 1 or 2 drinks a day.
  • Ask your surgeon which medicines you should still take on the day of the surgery.
  • Always let your surgeon know about any cold, flu, fever, herpes breakout, or other illnesses you may have.
  • You may want to visit the physical therapist to learn some exercises to do before surgery and to practice using crutches.

On the day of the surgery:

  • Follow instructions about when to stop eating and drinking.
  • Take the medicines your surgeon told you to take with a small sip of water.
  • Bring your cane, walker, or wheelchair if you have one already. Also bring shoes with flat, nonskid soles.
  • Follow instructions about when to arrive at the hospital. Arrive on time.

After the Procedure

Your surgeon will ask you to get up and walk around as soon as your anesthesia wears off. Most people go home the day of surgery. Do not drive yourself home.

Follow instructions about how to care for yourself at home.

Outlook (Prognosis)

Most people have pain relief and can move better after surgery. Numbness and tingling should get better or disappear. Your pain, numbness, or weakness may not get better or go away if you had nerve damage before surgery, or if you have symptoms caused by other spinal conditions.

Further changes may occur in your spine over time and new symptoms may occur.

Talk with your provider about how to prevent future back problems.

Open References

References

Gardocki RJ. Anatomic approaches to the spine. In: Azar FM, Beaty JH, eds. Campbell's Operative Orthopaedics. 14th ed. Philadelphia, PA: Elsevier; 2021:chap 37.

Gardocki RJ, Park AL. Degenerative disorders of the thoracic and lumbar spine. In: Azar FM, Beaty JH, eds. Campbell's Operative Orthopaedics. 14th ed. Philadelphia, PA: Elsevier; 2021:chap 39.

Ryu WHA, O’Toole JE. Cervical spine and cervicothoracic junction - anterior approach. In: Steinmetz MP, Berven SH, Benzel EC, eds. Benzel's Spine Surgery. 5th ed. Philadelphia, PA: Elsevier; 2022:chap 109.

  • Herniated disk

    Animation

    •  

    Herniated disk - Animation

    You might have heard a friend say that they have slipped a disk. Or, you may have slipped a disk yourself during an overly strenuous workout, or by straining while lifting something heavy. A slipped disk can be painful, so painful, in fact, that you can barely move. But what exactly is a slipped disk? And what can you do about it if you have one? This is your spine. In between the bones, which are called vertebrae, are little cushioning disks. These disks not only allow you to bend and move but also prevent your bones from rubbing against each other. Sometimes an injury can push a disk out of place, producing a bulge. This bulge is called a herniated disk. Or, a disk may break open. When a disk moves, it puts pressure on nearby nerves, and that's when you start to feel pain. Most slipped disks are found in the lower back or lumbar region, although you can also have one in your neck, or cervical region. When you have a slipped disk, you'll hurt, but often just on one side of your body. If the disk is in your lower back, you may feel a sharp pain in one part of your leg, hip, or buttocks. Your leg may also feel weaker than usual. If the disk is in your neck, the pain and numbness can stretch all the way from your neck down to your shoulder and arm. You may notice that it hurts even more when you stand for a long period of time, or if you sneeze, cough, or laugh. So, how do you treat a slipped disk? First your doctor will want to make sure that you actually have a slipped disk. To find out, the doctor will check your muscle strength, feeling, and reflexes, and have you move in different ways, for example, by bending, standing, and walking. You may also have a scan to find the exact location of the slipped disk. While bed rest was once the standard therapy for low back pain, studies show that for most people it does not help and may even make the situation worse. Rapid return to healthy normal activity is usually best, being careful not to put too much stress on the back. While you're doing that, you can take medicines like ibuprofen or aspirin to relieve the pain. Muscle relaxants may also help. Acupuncture, massage, and yoga have also been shown to be affective in some studies. Physical therapy may be helpful after the first two or three weeks. It can help strengthen the muscles of your spine, and teach you how to move properly so you don't injure yourself again. If these measures don't help, your doctor may suggest getting steroid injections into the area where you slipped the disk, to reduce pain and relieve swelling. As a last resort when all other treatments have failed, you may have a surgery called a diskectomy to remove the damaged disk. You may be in pain now, but don't despair, with treatment it should ease. Realize that it may take a few months before you're back to your old self. Don't try to overdo it by bending or doing any heavy lifting. You'll just wind up back on your couch, hurting again.

  • Herniated nucleus pulposus

    Herniated nucleus pulposus - illustration

    Herniated nucleus pulposus is a condition in which part or all of the soft, gelatinous central portion of an intervertebral disk is forced through a weakened part of the disk, resulting in back pain and nerve root irritation.

    Herniated nucleus pulposus

    illustration

  • Skeletal spine

    Skeletal spine - illustration

    The spine is divided into several sections. The cervical vertebrae make up the neck. The thoracic vertebrae comprise the chest section and have ribs attached. The lumbar vertebrae are the remaining vertebrae below the last thoracic bone and the top of the sacrum. The sacral vertebrae are caged within the bones of the pelvis, and the coccyx represents the terminal vertebrae or vestigial tail.

    Skeletal spine

    illustration

  • Spine supporting structures

    Spine supporting structures - illustration

    The spine is surrounded by many muscles and ligaments which give it great strength and flexibility. If these muscles or ligaments become damaged, back pain results.

    Spine supporting structures

    illustration

  • Cauda equina

    Cauda equina - illustration

    The spinal cord ends in the lumbar area and continues through the vertebral canal as spinal nerves. Because of its resemblance to a horses tail, the collection of these nerves at the end of the spinal cord is called the cauda equina. These nerves send and receive messages to and from the lower limbs and pelvic organs.

    Cauda equina

    illustration

  • Spinal stenosis

    Spinal stenosis - illustration

    Spinal stenosis is a narrowing of the lumbar or cervical spinal canal. The narrowing can cause compression on nerve roots resulting in pain or weakness of the legs. Medications or steroid injections are often administered to reduce inflammation. If the pain is persistent and does not respond to these conservative measures, surgery is considered to relieve the pressure on the nerves.

    Spinal stenosis

    illustration

  • Microdiskectomy - series

    Microdiskectomy - series

    Presentation

    •  

  • Herniated disk

    Animation

    •  

    Herniated disk - Animation

    You might have heard a friend say that they have slipped a disk. Or, you may have slipped a disk yourself during an overly strenuous workout, or by straining while lifting something heavy. A slipped disk can be painful, so painful, in fact, that you can barely move. But what exactly is a slipped disk? And what can you do about it if you have one? This is your spine. In between the bones, which are called vertebrae, are little cushioning disks. These disks not only allow you to bend and move but also prevent your bones from rubbing against each other. Sometimes an injury can push a disk out of place, producing a bulge. This bulge is called a herniated disk. Or, a disk may break open. When a disk moves, it puts pressure on nearby nerves, and that's when you start to feel pain. Most slipped disks are found in the lower back or lumbar region, although you can also have one in your neck, or cervical region. When you have a slipped disk, you'll hurt, but often just on one side of your body. If the disk is in your lower back, you may feel a sharp pain in one part of your leg, hip, or buttocks. Your leg may also feel weaker than usual. If the disk is in your neck, the pain and numbness can stretch all the way from your neck down to your shoulder and arm. You may notice that it hurts even more when you stand for a long period of time, or if you sneeze, cough, or laugh. So, how do you treat a slipped disk? First your doctor will want to make sure that you actually have a slipped disk. To find out, the doctor will check your muscle strength, feeling, and reflexes, and have you move in different ways, for example, by bending, standing, and walking. You may also have a scan to find the exact location of the slipped disk. While bed rest was once the standard therapy for low back pain, studies show that for most people it does not help and may even make the situation worse. Rapid return to healthy normal activity is usually best, being careful not to put too much stress on the back. While you're doing that, you can take medicines like ibuprofen or aspirin to relieve the pain. Muscle relaxants may also help. Acupuncture, massage, and yoga have also been shown to be affective in some studies. Physical therapy may be helpful after the first two or three weeks. It can help strengthen the muscles of your spine, and teach you how to move properly so you don't injure yourself again. If these measures don't help, your doctor may suggest getting steroid injections into the area where you slipped the disk, to reduce pain and relieve swelling. As a last resort when all other treatments have failed, you may have a surgery called a diskectomy to remove the damaged disk. You may be in pain now, but don't despair, with treatment it should ease. Realize that it may take a few months before you're back to your old self. Don't try to overdo it by bending or doing any heavy lifting. You'll just wind up back on your couch, hurting again.

  • Herniated nucleus pulposus

    Herniated nucleus pulposus - illustration

    Herniated nucleus pulposus is a condition in which part or all of the soft, gelatinous central portion of an intervertebral disk is forced through a weakened part of the disk, resulting in back pain and nerve root irritation.

    Herniated nucleus pulposus

    illustration

  • Skeletal spine

    Skeletal spine - illustration

    The spine is divided into several sections. The cervical vertebrae make up the neck. The thoracic vertebrae comprise the chest section and have ribs attached. The lumbar vertebrae are the remaining vertebrae below the last thoracic bone and the top of the sacrum. The sacral vertebrae are caged within the bones of the pelvis, and the coccyx represents the terminal vertebrae or vestigial tail.

    Skeletal spine

    illustration

  • Spine supporting structures

    Spine supporting structures - illustration

    The spine is surrounded by many muscles and ligaments which give it great strength and flexibility. If these muscles or ligaments become damaged, back pain results.

    Spine supporting structures

    illustration

  • Cauda equina

    Cauda equina - illustration

    The spinal cord ends in the lumbar area and continues through the vertebral canal as spinal nerves. Because of its resemblance to a horses tail, the collection of these nerves at the end of the spinal cord is called the cauda equina. These nerves send and receive messages to and from the lower limbs and pelvic organs.

    Cauda equina

    illustration

  • Spinal stenosis

    Spinal stenosis - illustration

    Spinal stenosis is a narrowing of the lumbar or cervical spinal canal. The narrowing can cause compression on nerve roots resulting in pain or weakness of the legs. Medications or steroid injections are often administered to reduce inflammation. If the pain is persistent and does not respond to these conservative measures, surgery is considered to relieve the pressure on the nerves.

    Spinal stenosis

    illustration

  •   Microdiskectomy - series

    Microdiskectomy - series

    Presentation

    •  
 

Review Date: 4/24/2023

Reviewed By: C. Benjamin Ma, MD, Professor, Chief, Sports Medicine and Shoulder Service, UCSF Department of Orthopaedic Surgery, San Francisco, CA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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