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Treacher Collins Syndrome: A Comprehensive Guide for Parents

Oghenefejiro Okifo | MD

Medically reviewed by Oghenefejiro Okifo | MD, Harvard Medical School | Henry Ford Hospital - Detroit, MI on April 17th, 2024.

Key Takeaways

  • This condition affects 1 in 50,000 newborns and results from mutations in genes TCOF1 (responsible for 81-93% of cases), POLR1C, or POLR1D that disrupt facial bone and tissue development during the first 12 weeks of pregnancy.

  • Severity ranges dramatically—some children need immediate breathing support due to severe jaw underdevelopment, while others have only mild hearing loss and require minimal intervention.

  • About 60% of cases occur as spontaneous new mutations, but when inherited, each child has a 50% chance of receiving the affected gene since it follows an autosomal dominant pattern.

  • Surgical reconstruction typically begins around age 5-7 with jaw distraction procedures, followed by cheekbone and eye socket reconstruction during adolescence—most children require 3-5 major surgeries.

  • Conductive hearing loss affects 90% of patients due to malformed ear canals and middle ear bones, but bone-anchored hearing aids can restore near-normal hearing when traditional hearing aids fail.

Treacher Collins Syndrome (TCS) is a rare genetic condition that affects the development of a baby's face. If your child has been diagnosed with TCS, you may have many questions and concerns. This guide will help you understand the causes, symptoms, and treatment options available for your child.

What is Treacher Collins Syndrome?

TCS is a condition that affects about one in every 50,000 babies born. It is caused by an abnormal gene that affects how the face forms during development. Babies with TCS are born with atypical ears, eyelids, cheek bones, and jawbones. While there is no cure for TCS, surgery and other treatments can make a significant difference in your child's quality of life.

Causes of Treacher Collins Syndrome

TCS is always genetic, but it is not always inherited. In about 60% of cases, neither parent carries the gene responsible for the condition. For these children, the chances of passing TCS along to their own children are quite low. In the other 40% of cases, the child inherits the condition from a parent who carries the gene. In these cases, there is a 50% chance of passing TCS along with each pregnancy.

Symptoms and Signs of Treacher Collins Syndrome

The physical signs of TCS can vary from child to child, ranging from mild to severe. Some common signs and symptoms include:

  • Flat, sunken, or sad appearance of the face

  • Underdeveloped cheekbones

  • Downward slanting eyes

  • Missing eyelid tissue

  • Notch in the lower eyelid

  • Cleft palate

  • Abnormal airway

  • Small upper and lower jaw and chin

  • Misshapen or missing ears

  • Skin growth in front of the ear

These physical differences can lead to difficulties in breathing, sleeping, eating, and hearing. Dental problems and dry eyes may also increase the risk of infections.

Treacher Collins Syndrome: A Comprehensive Guide for Parents

Diagnosing Treacher Collins Syndrome

In many cases, a doctor can diagnose TCS by examining your baby after birth. However, they may also recommend X-rays or other imaging tests to assess the extent of the condition. Genetic tests can confirm the presence of gene changes that cause TCS. If you are considering genetic testing, it is essential to speak with a genetic counselor who can explain the test and its implications.

Treatment Options for Treacher Collins Syndrome

While there is no cure for TCS, various treatments can help manage the condition and improve your child's quality of life. The specific treatment plan will depend on your child's individual needs and the severity of their condition. Some common treatment options include:

  • Surgery to repair cleft palate, eye sockets, eyelids, nose, cheekbones, jawbone, and ears

  • Hearing aids and speech and language programs to address hearing loss and speech difficulties

  • Breathing assistance, such as tubes, to help with respiratory issues

It is crucial to work with a team of specialists, including surgeons experienced in facial and head operations, to develop a comprehensive treatment plan for your child.

Coping with Treacher Collins Syndrome

Raising a child with TCS can be challenging, both emotionally and socially. Joining a support group for families with children who have TCS or other birth defects can provide valuable information, resources, and emotional support. Remember, there is a lot of help available to assist you in caring for your child and ensuring they have the best possible quality of life.

For more information and support, visit:

The Bottom Line

Early diagnosis and coordinated care with craniofacial specialists, audiologists, and speech therapists can help children with this condition achieve excellent functional outcomes despite the initial challenges. While the facial differences are permanent, most children develop normal intelligence and can participate fully in school and social activities with appropriate support. If you notice facial asymmetry, breathing difficulties, or hearing concerns in your child, Doctronic can help you connect with the right specialists quickly.

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