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Home Crouzon Syndrome
FlowerCrouzon Syndrome
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Craniofacial Anomalies Program  
What is Crouzon syndrome?
Crouzon syndrome is a genetic birth disorder characterized by the premature joining of certain bones of the skull during development, which affects the shape of the head and face.

Common features of this syndrome include:

  • Wide-set, bulging eyes
  • Crossed eyes (strabismus)
  • Beaked nose
  • Underdeveloped upper jaw
  • Protruding lower jaw
  • Overcrowding of teeth
  • High-arched palate
Most children with Crouzon syndrome are of normal intelligence.
What causes Crouzon syndrome?
Some cases of Crouzon syndrome are the result if an inherited gene. In cases where there is no family history of Crouzon syndrome, the cause is thought to be a genetic mutation.
What are the chances of having a child with Crouzon syndrome?
Crouzon syndrome occurs is approximately one in 25,000 births.

If one parent has Crouzon syndrome, there is a 50% chance that his/her child will be born with the disorder.

Unaffected parents who have one child with Crouzon syndrome rarely give birth to a second child with the condition.

What problems are associated with Crouzon syndrome?
In addition to the physical characteristics common to the condition, children with Crouzon syndrome may have the following problems:
  • Dental problems due to crowded teeth and a narrow palate
  • Poor vision
  • Ear diseases and hearing loss in about 50% of children
  • Difficulty breathing due to small airway
  • Possible fluid on the brain (hydrocephalus)
How is Crouzon syndrome treated?
Children with Crouzon syndrome should be evaluated by members of an experienced interdisciplinary team. No single specialist can manage Crouzon syndrome and its associated problems, as treatment usually involves many areas of specialty.

Depending on the severity of the disorder, a child with Crouzon syndrome may require some or all of the following surgeries:

  • Surgery to re-shape the skull
  • Jaw surgery
  • Surgery to correct eye problems
  • Orthodontics, to straighten the teeth
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