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Scoliosis

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The spine, or backbone, helps hold the body upright. Without its gentle curving down the back, we wouldn't be able to balance, walk, or move properly. But the spine curves from side to side in people with a condition called scoliosis, and sometimes this can cause problems.

What Is Scoliosis?

The word scoliosis (pronounced: sko-lee-OH-sis) comes from a Greek word meaning crooked. If you have scoliosis, you're not alone. About 3 out of every 100 people have some form of scoliosis, though for many of them it's not much of a problem.

Someone with scoliosis may have a back that curves from side to side like an "S" or a "C." Although small curves generally do not cause problems, if the curve gets severe it can be visible and cause discomfort.

Xray of curved spine

Scoliosis is sort of a medical mystery — no one knows for sure what causes the most common form of scoliosis, idiopathic scoliosis. ("Idiopathic" is a medical term that means it's not known what caused the condition or disease.) Doctor do know that scoliosis can run in families, though. So a person who has scoliosis may have family members who have it.

Most types of scoliosis are more common in girls than boys, and girls with scoliosis are more likely to need treatment.

How Is Scoliosis Diagnosed?

Sometimes scoliosis will be easily noticeable. A curved spine can cause someone's body to tilt to the left or right. Many teens with scoliosis have one shoulder blade that's higher than the other or an uneven waist with a tendency to lean to one side. If a curve gets really severe, it can even affect a person's breathing and heart function and can lead to damage in the joints of the spine and pain in adulthood.

Because scoliosis can develop very gradually, in most cases it isn't diagnosed until a person is between the ages of 10 and 14.

Doctors routinely check teens for scoliosis during regular physical exams. Some schools in the United States also test for scoliosis, but the most accurate way to diagnose it is to see a doctor.

What Do Doctors Do?

After examining you closely, the doctor will decide if further treatment is needed. If he or she determines the curve isn't a problem, you may not need any treatment, just regular checkups to make sure the curve doesn't become larger. To get a clearer view of your spine, the doctor might order X-rays. If the exam or X-rays show a significant curvature, you'll be referred to an orthopedist.

The orthopedist will examine you and study X-rays of your spine. You may hear the orthopedist mention something called a Cobb angle. The Cobb angle is a measure of the curvature of the spine in degrees, and the number of degrees helps the doctor decide what type of treatment is necessary. A scoliosis curve of 10 to 15 degrees usually means that nothing needs to be done except for regular checkups until the person has gone through puberty and finished growing (the curvature of the spine usually doesn't get worse after that point). If the curve is 20 to 40 degrees, the orthopedist will generally suggest a back brace. A Cobb angle of 40 or 50 degrees or more may mean that surgery is necessary.

Treating Scoliosis

About 1 in 5 teenagers with scoliosis needs to wear a back brace. Back braces today are much lighter and more comfortable than they used to be — and researchers are developing even better ones all the time.

There are several different types of braces. Some braces are worn for 18 to 20 hours a day, others only at nighttime. Which one the orthopedist chooses depends on the person, where the curve is on his or her back, and how severe the curve is.

The brace acts as a holding device that keeps the spine from developing more of a curve. A brace won't ever make the spine straight. But if it does its job well, the curve won't increase more than 5 or 10 degrees and may prevent the need for surgery.

Sometimes, even with a brace, someone with severe scoliosis will need surgery to correct the curve. During the operation, the orthopedic surgeon does a procedure called a spinal fusion. This causes some of the separate bones of the spine to link or "fuse" together, so that the spine can no longer continue to curve. The surgeon also uses metal rods, hooks, screws, and wires to correct the curve and hold everything in line until the bones heal. The metal parts are placed deep under the spine muscles, and in most cases can't be felt and do not hurt.

An operation to correct scoliosis takes several hours, depending on how big the curve is and how many bones need to be fused. Normally, no brace or cast is needed after surgery, the person will be able to get out of bed the next day and start to walk, and usually can go home in less than a week.

Teens who have had surgery to correct scoliosis usually go back to school about a month after surgery, then return to some activities in 3 or 4 months. Most people should be able to go back to all normal activities after 6 to 12 months. But of course each patient's surgery and recovery might be different, depending on the type of surgery and the person's age.

After about a year, the bones should have fully fused. Although the metal rods are no longer needed, they are left in the patient's back because they aren't doing any harm and taking them out would involve another operation.

People with scoliosis can have active, normal lives. Doctors don't know of any activities (including things like sports or carrying a backpack) that make scoliosis worse. So teens who have scoliosis should still be able to play their favorite sports and carry on as normal (except if they are recovering from surgery, of course).

Reviewed by: Suken A. Shah, MD
Date reviewed: January 2013
Originally reviewed by: R. Jay Cummings, MD, and William G. Mackenzie, MD

License

Note: All information is for educational purposes only. For specific medical advice, diagnoses and treatment, consult your doctor.

© 1995–2014 The Nemours Foundation/KidsHealth. All rights reserved.

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