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Bone and Spine

Orthopedic health, conditions and treatment

Scheuermann Kyphosis

By Dr Arun Pal Singh

In this article
    • Pathophysiology of Scheuermann Kyphosis
    • Presentation of Scheuermann kyphosis
    • Imaging
      • Sorenson criteria for diagnosis
    • Associated Conditions
    • Treatment of Scheuermann Kyphosis
      • Surgery for Scheuermann kyphosis

Scheuermann disease or  Scheuermann kyphosis is a self-limiting disorder of the childhood. In this condition where the vertebrae grow unevenly resulting in the wedge-shaped vertebrae, resulting in kyphosis. Patients have an increased kyphosis in the thoracic or thoracolumbar spine with associated backache and localized changes in the vertebral bodies.

Typically, the kyphosis is more pronounced in the thoracic spine.

The condition is also known as juvenile kyphosis.

Pathophysiology of Scheuermann Kyphosis

The event leading to deformity is osteochondrosis of the secondary ossification centers of the vertebral bodies involving lower dorsal and upper lumbar vertebrae.

Exact cause and mechanism is not known.

There seems to be a hereditary pattern but the exact path is not understood yet. Scheuermann’s disease is thought to affect  0.4-8% people.

Presentation of Scheuermann kyphosis

The disease affects boys more than girls. The most common age of presentation is 13-16 years.

Deformity or poor posture is the chief complaint. Pain is not a major complaint but can occur in few patients and is aggravated by activity when present.

The patient generally has an obvious kyphosis that worsens on bending forward and there is a decreased flexibility of the spine. Increased lumbar lordosis and hamstring tightness may be noted.

Apart from kyphotic deformity, Scheuermann kyphosis is notorious for causing lower and mid-level back pain, which can be severe and disabling.

The sufferer may feel pain at the apex of the curve, which can be aggravated by physical activity and by long periods of standing or sitting; this can have a significantly detrimental effect to their lives as their level of activity is curbed by their condition and they may feel isolated or uneasy amongst their peers if they are children, depending on the level of deformity.

In addition to the pain associated with Scheuermann kyphosis, many sufferers of the disorder have loss of vertebral height, and depending on where the apex of the curve is, may have a visual ‘hunchback’ or ’round back’.

The seventh and tenth thoracic vertebrae are most commonly affected. It causes a backache and spinal curvature. In very serious cases it may cause internal problems and spinal cord damage, but these cases are extremely rare. The curvature of the back decreases the height, thus putting pressure on internal organs, wearing them out more quickly than the natural aging process; surgical procedures are almost always recommended in this case.

Scheuermann kyphosis should be differentiated from postural deformity, kyphosis due to skeletal dysplasias and ankylosing spondylitis, congenital kyphosis and other conditions that may cause kyphosis.

Imaging

A lateral x-ray of the spine would typically demonstrate

Scheuermann Kyphosis
Xray of Scheuermann Kyphosis, Image Credit: Radipaedia
  • Wedge-shaped vertebrae
  • Round and rigid kyphosis
  • Narrow intervertebral disk spaces with calcifications
  • Irregular endplates of the vertebrae

Sorenson criteria for diagnosis

  • Kyphosis greater than 40°
  • Irregular upper and lower vertebral endplates with loss of disk space height
  • Wedging of 5° or more in 3 consecutive vertebrae

Scheuermann kyphosis is considered to be a form of juvenile osteochondrosis of the spine. It is found mostly in teenagers and presents a significantly worse deformity than postural kyphosis. Patients suffering from Scheuermann kyphosis cannot consciously correct their posture. The apex of their curve, located in the thoracic vertebrae, is quite rigid.

Associated Conditions

Following conditions have been found in patients of this disease

  • An excessive lordotic curve in the lumbar spine
  • Tight hamstring

Treatment of Scheuermann Kyphosis

There are different schools of thought in regard to the treatment of this condition.

One school says that as the condition is benign and self-limiting, therefore no treatment is required. Whereas other advocates aggressive treatment to prevent excessive deformity. Patients with mild, nonprogressive disease can be treated by reducing weight-bearing stress and avoiding strenuous activity. Exercise alone is not found to be beneficial.

Treatment of Scheuermann kyphosis is indicated

  • To relieve pain
  • To correct an unacceptable deformity
  • To prevent potential progression or worsening of the curve.

Treatment will vary depending on the size of the curve, the flexibility of the curve, the patient’s age and the patient’s preferences. The treatment usually consists of following

  • Spinal brace – Modified Milwaukee brace, DuPont brace
  • Rest with back on the bed (recumbent position).
  • Surgical intervention in cases of  spinal pain and unacceptable cosmetic appearance.
  • Nonsteroidal anti-inflammatory drugs.

Surgery for Scheuermann kyphosis

Surgery is rarely needed for Scheuermann’s disease. It may be considered for patients with severe deformities (e.g. more than 70 degrees for thoracic kyphosis) if neurological deficits are present, and occasionally if the pain is present with the deformity.

The goal of the surgery is mostly to reduce the deformity, although some feel it can lessen the pain if present.

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Filed Under: Pediatric, Spine

About Dr Arun Pal Singh

Arun Pal Singh is an orthopedic and trauma surgeon, founder and chief editor of this website. He works in Kanwar Bone and Spine Clinic, Dasuya, Hoshiarpur, Punjab.

This website is an effort to educate and support people and medical personnel on orthopedic issues and musculoskeletal health.

You can follow him on Facebook, Linkedin and Twitter

Reader Interactions

Comments

  1. julie walker says

    May 22, 2010 at 11:10 pm

    I am a 40 year old woman and I have been diagnosed with scheuermanns disease , i would love to know if this can affect painful feet with limited movement an painful knee caps , i have been having bad back pain for years now with a numbness o my upper spine , please if ayone could point me to a web site that can give in depth infomaton on this disease nd the places it can affect i would be very grateful .

  2. Dr Arun Pal Singh says

    June 17, 2011 at 1:31 pm

    Usually it results in back pain. Would you please elaborate your condition?

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