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Home Treacher Collins Syndrome
FlowerTreacher Collins Syndrome
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Craniofacial Anomalies Program  
What is Treacher Collins syndrome?
Treacher Collins is a rare genetic disorder that affects the head and face. Common characteristics include:
  • Down-slanting eyes
  • Underdevelopment of or absence of cheekbones
  • Lower jaw is often small
  • Underdeveloped or unusually formed ears
  • Possible cleft palate
Most children with Treacher Collins syndrome are of normal intelligence.
What causes Treacher Collins syndrome?
Some cases of Treacher Collins syndrome are the result if an inherited gene. In cases where there is no family history of Treacher Collins syndrome, the cause is thought to be a genetic mutation.
What are the chances of having a child with Treacher Collins syndrome?
If one parent has Treacher Collins syndrome, there is a 50% chance that his/her child will be born with the disorder.

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

What problems are associated with Treacher Collins syndrome?
In addition to the physical characteristics common to the condition, children with Treacher Collins syndrome may have the following problems:
  • Breathing problems
  • Feeding difficulties
  • Hearing loss
How is Treacher Collins syndrome diagnosed?
Treacher Collins syndrome is usually diagnosed at birth by the physical signs.
How is Treacher Collins syndrome treated?
Children with Treacher Collins syndrome should be evaluated by members of an experienced interdisciplinary team. No single specialist can manage Treacher Collins syndrome and its associated problems, as treatment usually involves many areas of specialty.

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

  • Surgery to re-shape the cheekbones
  • Surgery to repair nose and eyelids
  • Surgical reconstruction of the ears
  • Surgery to improve feeding and/or breathing
Treatment may also include:
  • Hearing tests with an audiologist
  • Speech therapy
  • Orthodontics, to straighten teeth
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